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

  - A flaw was found in samba's DNS server. An     authenticated user could use this flaw to the RPC     server to crash. This RPC server, which also serves     protocols other than dnsserver, will be restarted after     a short delay, but it is easy for an authenticated non     administrative attacker to crash it again as soon as it     returns. The Samba DNS server itself will continue to     operate, but many RPC services will     not.(CVE-2020-14383)

  - A null pointer dereference flaw was found in samba's     Winbind service in versions before 4.11.15, before     4.12.9 and before 4.13.1. A local user could use this     flaw to crash the winbind service causing denial of     service.(CVE-2020-14323)

  - Missing handle permissions check in SMB1/2/3     ChangeNotify(CVE-2020-14318)

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.

Multiple vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix.

CVE-2020-1472

Unauthenticated domain controller compromise by subverting Netlogon cryptography. This vulnerability includes both ZeroLogon and non-ZeroLogon variations.

CVE-2020-10704

An unauthorized user can trigger a denial of service via a stack overflow in the AD DC LDAP server.

CVE-2020-10730

NULL pointer de-reference and use-after-free in Samba AD DC LDAP Server with ASQ, VLV and paged_results.

CVE-2020-10745

Denial of service resulting from abuse of compression of replies to NetBIOS over TCP/IP name resolution and DNS packets causing excessive CPU load on the Samba AD DC.

CVE-2020-10760

The use of the paged_results or VLV controls against the Global Catalog LDAP server on the AD DC will cause a use-after-free.

CVE-2020-14303

Denial of service resulting from CPU spin and and inability to process further requests once the AD DC NBT server receives an empty (zero-length) UDP packet to port 137.

CVE-2020-14318

Missing handle permissions check in ChangeNotify

CVE-2020-14323

Unprivileged user can crash winbind via invalid lookupsids DoS

CVE-2020-14383

DNS server crash via invalid records resulting from uninitialized variables

For Debian 9 stretch, these problems have been fixed in version 2:4.5.16+dfsg-1+deb9u3.

We recommend that you upgrade your samba packages.

For the detailed security status of samba please refer to its security tracker page at: https://security-tracker.debian.org/tracker/samba

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

The remote host is affected by the vulnerability described in GLSA-202012-24 (Samba: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Samba. Please review       the CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

The remote NewStart CGSL host, running version MAIN 6.02, has samba packages installed that are affected by multiple vulnerabilities:

  - Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through 3.0.25rc3 allow     remote attackers to execute arbitrary code via crafted MS-RPC requests involving (1) DFSEnum     (netdfs_io_dfs_EnumInfo_d), (2) RFNPCNEX (smb_io_notify_option_type_data), (3) LsarAddPrivilegesToAccount     (lsa_io_privilege_set), (4) NetSetFileSecurity (sec_io_acl), or (5) LsarLookupSids/LsarLookupSids2     (lsa_io_trans_names). (CVE-2007-2446)

  - The MS-RPC functionality in smbd in Samba 3.0.0 through 3.0.25rc3 allows remote attackers to execute     arbitrary commands via shell metacharacters involving the (1) SamrChangePassword function, when the     username map script smb.conf option is enabled, and allows remote authenticated users to execute     commands via shell metacharacters involving other MS-RPC functions in the (2) remote printer and (3) file     share management. (CVE-2007-2447)

  - Heap-based buffer overflow in the receive_smb_raw function in util/sock.c in Samba 3.0.0 through 3.0.29     allows remote attackers to execute arbitrary code via a crafted SMB response. (CVE-2008-1105)

  - Samba 3.4 before 3.4.2, 3.3 before 3.3.8, 3.2 before 3.2.15, and 3.0.12 through 3.0.36, as used in the SMB     subsystem in Apple Mac OS X 10.5.8 when Windows File Sharing is enabled, Fedora 11, and other operating     systems, does not properly handle errors in resolving pathnames, which allows remote authenticated users     to bypass intended sharing restrictions, and read, create, or modify files, in certain circumstances     involving user accounts that lack home directories. (CVE-2009-2813)

  - smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote     authenticated users to cause a denial of service (infinite loop) via an unanticipated oplock break     notification reply packet. (CVE-2009-2906)

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

ID	Name	Product	Family	Published	Updated	Severity
147458	EulerOS Virtualization 3.0.2.6 : samba (EulerOS-SA-2021-1423)	Nessus	Huawei Local Security Checks	3/10/2021	1/11/2024	medium
143186	Debian DLA-2463-1 : samba security update	Nessus	Debian Local Security Checks	11/23/2020	11/29/2024	medium
144607	GLSA-202012-24 : Samba: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	12/28/2020	11/29/2024	medium
206855	NewStart CGSL MAIN 6.02 : samba Multiple Vulnerabilities (NS-SA-2024-0054)	Nessus	NewStart CGSL Local Security Checks	9/10/2024	9/17/2024	critical

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