According to the version of the dhcp package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0
    -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in     the 4.0.x series or lower and releases in the 4.3.x     series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear     that the defect is also present in releases from those     series, but they have not been officially tested for     the vulnerability), The outcome of encountering the     defect while reading a lease that will trigger it     varies, according to: th(CVE-2021-25217)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the dhcp packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0
    -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in     the 4.0.x series or lower and releases in the 4.3.x     series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear     that the defect is also present in releases from those     series, but they have not been officially tested for     the vulnerability), The outcome of encountering the     defect while reading a lease that will trigger it     varies, according to: the component being affected     (i.e., dhclient or dhcpd) whether the package was built     as a 32-bit or 64-bit binary whether the compiler flag
    -fstack-protection-strong was used when compiling In     dhclient, ISC has not successfully reproduced the error     on a 64-bit system. However, on a 32-bit system it is     possible to cause dhclient to crash when reading an     improper lease, which could cause network connectivity     problems for an affected system due to the absence of a     running DHCP client process. In dhcpd, when run in     DHCPv4 or DHCPv6 mode: if the dhcpd server binary was     built for a 32-bit architecture AND the
    -fstack-protection-strong flag was specified to the     compiler, dhcpd may exit while parsing a lease file     containing an objectionable lease, resulting in lack of     service to clients. Additionally, the offending lease     and the lease immediately following it in the lease     database may be improperly deleted. if the dhcpd server     binary was built for a 64-bit architecture OR if the
    -fstack-protection-strong compiler flag was NOT     specified, the crash will not occur, but it is possible     for the offending lease and the lease which immediately     followed it to be improperly deleted.(CVE-2021-25217)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the dhcp package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0
    -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in     the 4.0.x series or lower and releases in the 4.3.x     series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear     that the defect is also present in releases from those     series, but they have not been officially tested for     the vulnerability), The outcome of encountering the     defect while reading a lease that will trigger it     varies, according to: the component being affected     (i.e., dhclient or dhcpd) whether the package was built     as a 32-bit or 64-bit binary whether the compiler flag
    -fstack-protection-strong was used when compiling In     dhclient, ISC has not successfully reproduced the error     on a 64-bit system. However, on a 32-bit system it is     possible to cause dhclient to crash when reading an     improper lease, which could cause network connectivity     problems for an affected system due to the absence of a     running DHCP client process. In dhcpd, when run in     DHCPv4 or DHCPv6 mode: if the dhcpd server binary was     built for a 32-bit architecture AND the
    -fstack-protection-strong flag was specified to the     compiler, dhcpd may exit while parsing a lease file     containing an objectionable lease, resulting in lack of     service to clients. Additionally, the offending lease     and the lease immediately following it in the lease     database may be improperly deleted. if the dhcpd server     binary was built for a 64-bit architecture OR if the
    -fstack-protection-strong compiler flag was NOT     specified, the crash will not occur, but it is possible     for the offending lease and the lease which immediately     followed it to be improperly deleted.(CVE-2021-25217)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the dhcp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases     in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear that the defect is also present in releases from     those series, but they have not been officially tested for the vulnerability), The outcome of encountering     the defect while reading a lease that will trigger it varies, according to: the component being affected     (i.e., dhclient or dhcpd) whether the package was built as a 32-bit or 64-bit binary whether the compiler     flag -fstack-protection-strong was used when compiling In dhclient, ISC has not successfully reproduced     the error on a 64-bit system. However, on a 32-bit system it is possible to cause dhclient to crash when     reading an improper lease, which could cause network connectivity problems for an affected system due to     the absence of a running DHCP client process. In dhcpd, when run in DHCPv4 or DHCPv6 mode: if the dhcpd     server binary was built for a 32-bit architecture AND the -fstack-protection-strong flag was specified to     the compiler, dhcpd may exit while parsing a lease file containing an objectionable lease, resulting in     lack of service to clients. Additionally, the offending lease and the lease immediately following it in     the lease database may be improperly deleted. if the dhcpd server binary was built for a 64-bit     architecture OR if the -fstack-protection-strong compiler flag was NOT specified, the crash will not     occur, but it is possible for the offending lease and the lease which immediately followed it to be     improperly deleted. (CVE-2021-25217)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2021:2359 advisory.

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases     in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear that the defect is also present in releases from     those series, but they have not been officially tested for the vulnerability), The outcome of encountering     the defect while reading a lease that will trigger it varies, according to: the component being affected     (i.e., dhclient or dhcpd) whether the package was built as a 32-bit or 64-bit binary whether the compiler     flag -fstack-protection-strong was used when compiling In dhclient, ISC has not successfully reproduced     the error on a 64-bit system. However, on a 32-bit system it is possible to cause dhclient to crash when     reading an improper lease, which could cause network connectivity problems for an affected system due to     the absence of a running DHCP client process. In dhcpd, when run in DHCPv4 or DHCPv6 mode: if the dhcpd     server binary was built for a 32-bit architecture AND the -fstack-protection-strong flag was specified to     the compiler, dhcpd may exit while parsing a lease file containing an objectionable lease, resulting in     lack of service to clients. Additionally, the offending lease and the lease immediately following it in     the lease database may be improperly deleted. if the dhcpd server binary was built for a 64-bit     architecture OR if the -fstack-protection-strong compiler flag was NOT specified, the crash will not     occur, but it is possible for the offending lease and the lease which immediately followed it to be     improperly deleted. (CVE-2021-25217)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of AOS installed on the remote host is prior to 6.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.0.1 advisory.

  - Integer overflow in the firmware for some Intel(R) Graphics Drivers for Windows * before version     26.20.100.7212 and before Linux kernel version 5.5 may allow a privileged user to potentially enable an     escalation of privilege via local access. (CVE-2020-12362)

  - Improper input validation in some Intel(R) Graphics Drivers for Windows* before version 26.20.100.7212 and     before Linux kernel version 5.5 may allow a privileged user to potentially enable a denial of service via     local access. (CVE-2020-12363)

  - Null pointer reference in some Intel(R) Graphics Drivers for Windows* before version 26.20.100.7212 and     before version Linux kernel version 5.5 may allow a privileged user to potentially enable a denial of     service via local access. (CVE-2020-12364)

  - An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-     of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre     mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects     pointer types that do not define a ptr_limit. (CVE-2020-27170)

  - There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common     function in drivers/tty/n_tty.c. (CVE-2020-8648)

  - A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions     (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being     called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to     force an invalid signature, causing an assertion failure or possible validation. The highest threat to     this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-20305)

  - Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java     SE (component: Libraries). Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16;
    Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1.2 and 21.0.0.2. Difficult to     exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to     compromise Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition. Successful attacks of this     vulnerability can result in unauthorized creation, deletion or modification access to critical data or all     Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability     applies to Java deployments that load and run untrusted code (e.g., code that comes from the internet) and     rely on the Java sandbox for security. It can also be exploited by supplying untrusted data to APIs in the     specified Component. (CVE-2021-2161)

  - Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java     SE (component: Libraries). Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16;
    Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1.2 and 21.0.0.2. Difficult to     exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to     compromise Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition. Successful attacks require human     interaction from a person other than the attacker. Successful attacks of this vulnerability can result in     unauthorized creation, deletion or modification access to critical data or all Java SE, Java SE Embedded,     Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments     that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox     for security. (CVE-2021-2163)

  - In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 ->     9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND     9.17 development branch, when a vulnerable version of named receives a query for a record triggering the     flaw described above, the named process will terminate due to a failed assertion check. The vulnerability     affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other     versions of BIND 9. (CVE-2021-25215)

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases     in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear that the defect is also present in releases from     those series, but they have not been officially tested for the vulnerability), The outcome of encountering     the defect while reading a lease that will trigger it varies, according to: the component being affected     (i.e., dhclient or dhcpd) whether the package was built as a 32-bit or 64-bit binary whether the compiler     flag -fstack-protection-strong was used when compiling In dhclient, ISC has not successfully reproduced     the error on a 64-bit system. However, on a 32-bit system it is possible to cause dhclient to crash when     reading an improper lease, which could cause network connectivity problems for an affected system due to     the absence of a running DHCP client process. In dhcpd, when run in DHCPv4 or DHCPv6 mode: if the dhcpd     server binary was built for a 32-bit architecture AND the -fstack-protection-strong flag was specified to     the compiler, dhcpd may exit while parsing a lease file containing an objectionable lease, resulting in     lack of service to clients. Additionally, the offending lease and the lease immediately following it in     the lease database may be improperly deleted. if the dhcpd server binary was built for a 64-bit     architecture OR if the -fstack-protection-strong compiler flag was NOT specified, the crash will not     occur, but it is possible for the offending lease and the lease which immediately followed it to be     improperly deleted. (CVE-2021-25217)

  - encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write     access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character     sequence. (CVE-2021-26937)

  - An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has     an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow     could potentially lead to memory corruption. (CVE-2021-27219)

  - An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free     during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
    (CVE-2021-3347)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of AOS installed on the remote host is prior to 5.20.2. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-5.20.2 advisory.

  - Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component:
    Networking). Supported versions that are affected are Java SE: 7u301, 8u291, 11.0.11, 16.0.1; Oracle     GraalVM Enterprise Edition: 20.3.2 and 21.1.0. Difficult to exploit vulnerability allows unauthenticated     attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise     Edition. Successful attacks require human interaction from a person other than the attacker. Successful     attacks of this vulnerability can result in unauthorized read access to a subset of Java SE, Oracle     GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments,     typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load     and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for     security. This vulnerability does not apply to Java deployments, typically in servers, that load and run     only trusted code (e.g., code installed by an administrator). (CVE-2021-2341)

  - Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component:
    Library). Supported versions that are affected are Java SE: 7u301, 8u291, 11.0.11, 16.0.1; Oracle GraalVM     Enterprise Edition: 20.3.2 and 21.1.0. Easily exploitable vulnerability allows unauthenticated attacker     with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition.
    Successful attacks require human interaction from a person other than the attacker. Successful attacks of     this vulnerability can result in unauthorized update, insert or delete access to some of Java SE, Oracle     GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments,     typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load     and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for     security. This vulnerability does not apply to Java deployments, typically in servers, that load and run     only trusted code (e.g., code installed by an administrator). (CVE-2021-2369)

  - Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component:
    Hotspot). Supported versions that are affected are Java SE: 8u291, 11.0.11, 16.0.1; Oracle GraalVM     Enterprise Edition: 20.3.2 and 21.1.0. Difficult to exploit vulnerability allows unauthenticated attacker     with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition.
    Successful attacks require human interaction from a person other than the attacker. Successful attacks of     this vulnerability can result in takeover of Java SE, Oracle GraalVM Enterprise Edition. Note: This     vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start     applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the     internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java     deployments, typically in servers, that load and run only trusted code (e.g., code installed by an     administrator). (CVE-2021-2388)

  - Integer overflow in the firmware for some Intel(R) Graphics Drivers for Windows * before version     26.20.100.7212 and before Linux kernel version 5.5 may allow a privileged user to potentially enable an     escalation of privilege via local access. (CVE-2020-12362)

  - Improper input validation in some Intel(R) Graphics Drivers for Windows* before version 26.20.100.7212 and     before Linux kernel version 5.5 may allow a privileged user to potentially enable a denial of service via     local access. (CVE-2020-12363)

  - Null pointer reference in some Intel(R) Graphics Drivers for Windows* before version 26.20.100.7212 and     before version Linux kernel version 5.5 may allow a privileged user to potentially enable a denial of     service via local access. (CVE-2020-12364)

  - An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-     of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre     mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects     pointer types that do not define a ptr_limit. (CVE-2020-27170)

  - There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common     function in drivers/tty/n_tty.c. (CVE-2020-8648)

  - An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free     during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
    (CVE-2021-3347)

  - A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked     down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries     platform) a root like local user could use this flaw to further increase their privileges to that of a     running kernel. (CVE-2020-27777)

  - A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c.
    This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name     space (CVE-2021-22555)

  - BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements,     allowing them to execute arbitrary code within the kernel context. This affects     arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c. (CVE-2021-29154)

  - An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to     cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h     lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.
    (CVE-2021-29650)

  - net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI     controller. (CVE-2021-32399)

  - Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP     transfer-encoding request header in some circumstances leading to the possibility to request smuggling     when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if     the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding;
    and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
    (CVE-2021-33037)

  - A flaw was found in the Routing decision classifier in the Linux kernel's Traffic Control networking     subsystem in the way it handled changing of classification filters, leading to a use-after-free condition.
    This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat     from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-3715)

  - In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases     in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no     longer supported by ISC. From inspection it is clear that the defect is also present in releases from     those series, but they have not been officially tested for the vulnerability), The outcome of encountering     the defect while reading a lease that will trigger it varies, according to: the component being affected     (i.e., dhclient or dhcpd) whether the package was built as a 32-bit or 64-bit binary whether the compiler     flag -fstack-protection-strong was used when compiling In dhclient, ISC has not successfully reproduced     the error on a 64-bit system. However, on a 32-bit system it is possible to cause dhclient to crash when     reading an improper lease, which could cause network connectivity problems for an affected system due to     the absence of a running DHCP client process. In dhcpd, when run in DHCPv4 or DHCPv6 mode: if the dhcpd     server binary was built for a 32-bit architecture AND the -fstack-protection-strong flag was specified to     the compiler, dhcpd may exit while parsing a lease file containing an objectionable lease, resulting in     lack of service to clients. Additionally, the offending lease and the lease immediately following it in     the lease database may be improperly deleted. if the dhcpd server binary was built for a 64-bit     architecture OR if the -fstack-protection-strong compiler flag was NOT specified, the crash will not     occur, but it is possible for the offending lease and the lease which immediately followed it to be     improperly deleted. (CVE-2021-25217)

  - An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a     use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka     CID-16d51a590a8c. (CVE-2019-20934)

  - In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB     driver) mishandles invalid descriptors, aka CID-a246b4d54770. (CVE-2020-11668)

  - The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because     the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads     to writing an arbitrary value. (CVE-2021-33033)

  - In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an     hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value. (CVE-2021-33034)

  - fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer     allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an     unprivileged user, aka CID-8cae8cd89f05. (CVE-2021-33909)

  - In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and     9.16.8-S1 -> 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11     of the BIND 9.17 development branch, when a vulnerable version of named receives a malformed IXFR     triggering the flaw described above, the named process will terminate due to a failed assertion the next     time the transferred secondary zone is refreshed. (CVE-2021-25214)

  - An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has     an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow     could potentially lead to memory corruption. (CVE-2021-27219)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2405 advisory.

  - dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or     lease files in dhcpd and dhclient (CVE-2021-25217)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no longer supported by ISC. From inspection it is clear that the defect is also present in releases from those series, but they have not been officially tested for the vulnerability), The outcome of encountering the defect while reading a lease that will trigger it varies, according to: the component being affected (i.e., dhclient or dhcpd) whether the package was built as a 32-bit or 64-bit binary whether the compiler flag -fstack-protection-strong was used when compiling In dhclient, ISC has not successfully reproduced the error on a 64-bit system. However, on a 32-bit system it is possible to cause dhclient to crash when reading an improper lease, which could cause network connectivity problems for an affected system due to the absence of a running DHCP client process. In dhcpd, when run in DHCPv4 or DHCPv6 mode: if the dhcpd server binary was built for a 32-bit architecture AND the -fstack-protection-strong flag was specified to the compiler, dhcpd may exit while parsing a lease file containing an objectionable lease, resulting in lack of service to clients.
Additionally, the offending lease and the lease immediately following it in the lease database may be improperly deleted. if the dhcpd server binary was built for a 64-bit architecture OR if the -fstack- protection-strong compiler flag was NOT specified, the crash will not occur, but it is possible for the offending lease and the lease which immediately followed it to be improperly deleted.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

ID	Name	Product	Family	Published	Updated	Severity
151558	EulerOS Virtualization 2.9.1 : dhcp (EulerOS-SA-2021-2188)	Nessus	Huawei Local Security Checks	7/13/2021	12/8/2023	high
152282	EulerOS 2.0 SP8 : dhcp (EulerOS-SA-2021-2291)	Nessus	Huawei Local Security Checks	8/9/2021	12/6/2023	high
152310	EulerOS 2.0 SP9 : dhcp (EulerOS-SA-2021-2267)	Nessus	Huawei Local Security Checks	8/9/2021	12/6/2023	high
153295	EulerOS 2.0 SP2 : dhcp (EulerOS-SA-2021-2365)	Nessus	Huawei Local Security Checks	9/14/2021	11/30/2023	high
154407	EulerOS 2.0 SP3 : dhcp (EulerOS-SA-2021-2578)	Nessus	Huawei Local Security Checks	10/25/2021	11/28/2023	high
157514	AlmaLinux 8 : dhcp (ALSA-2021:2359)	Nessus	Alma Linux Local Security Checks	2/9/2022	11/13/2023	high
164614	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.0.1)	Nessus	Misc.	9/1/2022	10/6/2023	critical
164568	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.20.2)	Nessus	Misc.	9/1/2022	3/5/2024	high
150766	RHEL 7 : dhcp (RHSA-2021:2405)	Nessus	Red Hat Local Security Checks	6/14/2021	4/28/2024	high
501623	Siemens DHCP Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-25217)	Tenable OT Security	Tenable.ot	9/14/2023	2/21/2024	high

Detections

Analytics

Plugins Search

high

high

high

high

high

high

critical

high

high

high