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

  - An OpenSSL TLS server may crash if sent a maliciously     crafted renegotiation ClientHello message from a     client. If a TLSv1.2 renegotiation ClientHello omits     the signature_algorithms extension (where it was     present in the initial ClientHello), but includes a     signature_algorithms_cert extension then a NULL pointer     dereference will result, leading to a crash and a     denial of service attack. A server is only vulnerable     if it has TLSv1.2 and renegotiation enabled (which is     the default configuration). OpenSSL TLS clients are not     impacted by this issue. All OpenSSL 1.1.1 versions are     affected by this issue. Users of these versions should     upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not     impacted by this issue. Fixed in OpenSSL 1.1.1k     (Affected 1.1.1-1.1.1j).(CVE-2021-3449)

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 openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - An OpenSSL TLS server may crash if sent a maliciously     crafted renegotiation ClientHello message from a     client. If a TLSv1.2 renegotiation ClientHello omits     the signature_algorithms extension (where it was     present in the initial ClientHello), but includes a     signature_algorithms_cert extension then a NULL pointer     dereference will result, leading to a crash and a     denial of service attack. A server is only vulnerable     if it has TLSv1.2 and renegotiation enabled (which is     the default configuration). OpenSSL TLS clients are not     impacted by this issue.(CVE-2021-3449)

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 openssl packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - An OpenSSL TLS server may crash if sent a maliciously     crafted renegotiation ClientHello message from a     client. If a TLSv1.2 renegotiation ClientHello omits     the signature_algorithms extension (where it was     present in the initial ClientHello), but includes a     signature_algorithms_cert extension then a NULL pointer     dereference will result, leading to a crash and a     denial of service attack. A server is only vulnerable     if it has TLSv1.2 and renegotiation enabled (which is     the default configuration). OpenSSL TLS clients are not     impacted by this issue. All OpenSSL 1.1.1 versions are     affected by this issue. Users of these versions should     upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not     impacted by this issue. Fixed in OpenSSL 1.1.1k     (Affected 1.1.1-1.1.1j).(CVE-2021-3449)

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 SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2327-1 advisory.

  - The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution. (CVE-2020-7774)

  - Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is     used to convert strings to ASCII. The pointer p is read and increased without checking whether it is     beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information     disclosures or crashes. This function can be triggered via uv_getaddrinfo(). (CVE-2021-22918)

  - The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS)     via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression     exhibits polynomial worst-case time complexity. (CVE-2021-23362)

  - ssri 5.2.2-8.0.0, fixed in 8.0.1, processes SRIs using a regular expression which is vulnerable to a     denial of service. Malicious SRIs could take an extremely long time to process, leading to denial of     service. This issue only affects consumers using the strict option. (CVE-2021-27290)

  - An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a     client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was     present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL     pointer dereference will result, leading to a crash and a denial of service attack. A server is only     vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS     clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of     these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in     OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j). (CVE-2021-3449)

  - The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a     certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow     certificates in the chain that have explicitly encoded elliptic curve parameters was added as an     additional strict check. An error in the implementation of this check meant that the result of a previous     check to confirm that certificates in the chain are valid CA certificates was overwritten. This     effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a     purpose has been configured then there is a subsequent opportunity for checks that the certificate is a     valid CA. All of the named purpose values implemented in libcrypto perform this check. Therefore, where     a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A     purpose is set by default in libssl client and server certificate verification routines, but it can be     overridden or removed by an application. In order to be affected, an application must explicitly set the     X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification     or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions     1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k.
    OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).
    (CVE-2021-3450)

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

According to the version of the openssl1.1.1d packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - The OpenSSL toolkit provides support for secure     communications between machines. OpenSSL includes a     certificate management tool and shared libraries which     provide various cryptographic algorithms and     protocols.Security Fix(es):A flaw was found in openssl.
    A sA flaw was found in openssl. A server crash and     denial of service attack could occur if a client sends     a TLSv1.2 renegotiation ClientHello and omits the     signature_algorithms extension but includes a     signature_algorithms_cert extension. The highest threat     from this vulnerability is to system availability.
    crash and denial of service attack could occur if a     client sends a TLSv1.2 renegotiation ClientHello and     omits the signature_algorithms extension but includes a     signature_algorithms_cert extension. The highest threat     from this vulnerability is to system     availability.(CVE-2021-3449)

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.

Oracle reports :

This Critical Patch Update contains 49 new security patches for Oracle MySQL. 10 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without requiring user credentials. The highest CVSS v3.1 Base Score of vulnerabilities affecting Oracle MySQL is 9.8.

MariaDB is affected by CVE-2021-2166 and CVE-2021-2154 only

The version of MySQL running on the remote host is 8.0.x prior to 8.0.24. It is, therefore, affected by multiple vulnerabilities, including the following, as noted in the April 2021 Critical Patch Update advisory:

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (OpenSSL)).
  Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability   allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful   attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash   (complete DOS) of MySQL Server. (CVE-2021-3449)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption   (OpenSSL)). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable   vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server.
  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently   repeatable crash (complete DOS) of MySQL Server. (CVE-2021-23841)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported versions   that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows   unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server.
  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this   vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server   accessible data as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. (CVE-2020-28196)

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

An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k.
OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).

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
150252	EulerOS Virtualization 2.9.0 : openssl (EulerOS-SA-2021-1970)	Nessus	Huawei Local Security Checks	6/4/2021	12/27/2023	medium
151033	EulerOS 2.0 SP8 : openssl (EulerOS-SA-2021-1985)	Nessus	Huawei Local Security Checks	6/28/2021	12/12/2023	medium
151159	EulerOS Virtualization for ARM 64 3.0.6.0 : openssl (EulerOS-SA-2021-2020)	Nessus	Huawei Local Security Checks	6/30/2021	12/12/2023	medium
151655	SUSE SLES15 Security Update : nodejs12 (SUSE-SU-2021:2327-1)	Nessus	SuSE Local Security Checks	7/15/2021	11/1/2023	critical
151772	EulerOS 2.0 SP5 : openssl1.1.1d (EulerOS-SA-2021-2225)	Nessus	Huawei Local Security Checks	7/16/2021	12/7/2023	medium
148869	FreeBSD : MySQL -- Multiple vulnerabilities (56ba4513-a1be-11eb-9072-d4c9ef517024)	Nessus	FreeBSD Local Security Checks	4/21/2021	11/29/2024	medium
148937	MySQL 8.0.x < 8.0.24 Multiple Vulnerabilities (Apr 2021 CPU)	Nessus	Databases	4/22/2021	4/18/2025	medium
500504	Siemens OpenSSL in Industrial Products (CVE-2021-3449)	Tenable OT Security	Tenable.ot	2/7/2022	3/10/2025	medium

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