The remote NewStart CGSL host, running version MAIN 7.02, has samba packages installed that are affected by multiple vulnerabilities:

  - A path traversal vulnerability was identified in Samba when processing client pipe names connecting to     Unix domain sockets within a private directory. Samba typically uses this mechanism to connect SMB clients     to remote procedure call (RPC) services like SAMR LSA or SPOOLSS, which Samba initiates on demand.
    However, due to inadequate sanitization of incoming client pipe names, allowing a client to send a pipe     name containing Unix directory traversal characters (../). This could result in SMB clients connecting as     root to Unix domain sockets outside the private directory. If an attacker or client managed to send a pipe     name resolving to an external service using an existing Unix domain socket, it could potentially lead to     unauthorized access to the service and consequential adverse events, including compromise or service     crashes. (CVE-2023-3961)

  - An information leak vulnerability was discovered in Samba's LDAP server. Due to missing access control     checks, an authenticated but unprivileged attacker could discover the names and preserved attributes of     deleted objects in the LDAP store. (CVE-2018-14628)

  - An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in     winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic     challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan     manager response length. When Winbind is used for NTLM authentication, a maliciously crafted request can     trigger an out-of-bounds read in Winbind, possibly resulting in a crash. (CVE-2022-2127)

  - A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not     enforced if an admin configured server signing = required or for SMB2 connections to Domain Controllers     where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-     the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and     server, affecting the integrity of the data. (CVE-2023-3347)

  - An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not     validate a field in the network packet that contains the count of elements in an array-like structure. By     passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This     flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a     denial of service condition. (CVE-2023-34966)

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

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6238-1 advisory.

    It was discovered that Samba incorrectly handled Winbind NTLM authentication responses. An attacker could     possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2022-2127)

    Andreas Schneider discovered that Samba incorrectly enforced SMB2 packet signing. A remote attacker could     possibly use this issue to obtain or modify sensitive information. This issue only affected Ubuntu 23.04.
    (CVE-2023-3347)

    Florent Saudel and Arnaud Gatignolof discovered that Samba incorrectly handled certain Spotlight requests.
    A remote attacker could possibly use this issue to cause Samba to consume resources, leading to a denial     of service. (CVE-2023-34966, CVE-2023-34967)

    Ralph Boehme and Stefan Metzmacher discovered that Samba incorrectly handled paths returned by Spotlight     requests. A remote attacker could possibly use this issue to obtain sensitive information.
    (CVE-2023-34968)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2888-1 advisory.

  - A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the     server-side absolute path of shares, files, and directories in the results for search queries. This flaw     allows a malicious client or an attacker with a targeted RPC request to view the information that is part     of the disclosed path. (CVE-2023-34968)

  - An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in     winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic     challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan     manager response length. When Winbind is used for NTLM authentication, a maliciously crafted request can     trigger an out-of-bounds read in Winbind, possibly resulting in a crash. (CVE-2022-2127)

  - An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not     validate a field in the network packet that contains the count of elements in an array-like structure. By     passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This     flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a     denial of service condition. (CVE-2023-34966)

  - A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys     are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a     lack of type checking in callers of the dalloc_value_for_key() function, which returns the object     associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the     passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client     connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker     process, affecting all other clients this worker serves. (CVE-2023-34967)

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

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-76c06c8576 advisory.

    Update to version 4.18.5, Security fixes for CVE-2022-2127, CVE-2023-3347, CVE-2023-34966, CVE-2023-34967     and CVE-2023-34968

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5477 advisory.

  - An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in     winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic     challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan     manager response length. When Winbind is used for NTLM authentication, a maliciously crafted request can     trigger an out-of-bounds read in Winbind, possibly resulting in a crash. (CVE-2022-2127)

  - A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not     enforced if an admin configured server signing = required or for SMB2 connections to Domain Controllers     where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-     the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and     server, affecting the integrity of the data. (CVE-2023-3347)

  - An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not     validate a field in the network packet that contains the count of elements in an array-like structure. By     passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This     flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a     denial of service condition. (CVE-2023-34966)

  - A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys     are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a     lack of type checking in callers of the dalloc_value_for_key() function, which returns the object     associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the     passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client     connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker     process, affecting all other clients this worker serves. (CVE-2023-34967)

  - A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the     server-side absolute path of shares, files, and directories in the results for search queries. This flaw     allows a malicious client or an attacker with a targeted RPC request to view the information that is part     of the disclosed path. (CVE-2023-34968)

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

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2023:7139 advisory.

  - An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in     winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic     challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan     manager response length. When Winbind is used for NTLM authentication, a maliciously crafted request can     trigger an out-of-bounds read in Winbind, possibly resulting in a crash. (CVE-2022-2127)

  - An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not     validate a field in the network packet that contains the count of elements in an array-like structure. By     passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This     flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a     denial of service condition. (CVE-2023-34966)

  - A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys     are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a     lack of type checking in callers of the dalloc_value_for_key() function, which returns the object     associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the     passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client     connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker     process, affecting all other clients this worker serves. (CVE-2023-34967)

  - A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the     server-side absolute path of shares, files, and directories in the results for search queries. This flaw     allows a malicious client or an attacker with a targeted RPC request to view the information that is part     of the disclosed path. (CVE-2023-34968)

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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7139 advisory.

    Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common     Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and     various information.

    The following packages have been upgraded to a later upstream version: samba (4.18.6). (BZ#2190417)

    Security Fix(es):

    * samba: out-of-bounds read in winbind AUTH_CRAP (CVE-2022-2127)

    * samba: infinite loop in mdssvc RPC service for spotlight (CVE-2023-34966)

    * samba: type confusion in mdssvc RPC service for spotlight (CVE-2023-34967)

    * samba: spotlight server-side share path disclosure (CVE-2023-34968)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0423 advisory.

    Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common     Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and     various information.

    Security Fix(es):

    * samba: out-of-bounds read in winbind AUTH_CRAP (CVE-2022-2127)

    * samba: infinite loop in mdssvc RPC service for spotlight (CVE-2023-34966)

    * samba: type confusion in mdssvc RPC service for spotlight (CVE-2023-34967)

    * samba: spotlight server-side share path disclosure (CVE-2023-34968)

    * samba: GnuTLS gnutls_rnd() can fail and give predictable random values (CVE-2022-1615)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the samba-4.18.5-100.el9 build changelog.

  - An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in     winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic     challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan     manager response length. When Winbind is used for NTLM authentication, a maliciously crafted request can     trigger an out-of-bounds read in Winbind, possibly resulting in a crash. (CVE-2022-2127)

  - A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not     enforced if an admin configured server signing = required or for SMB2 connections to Domain Controllers     where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-     the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and     server, affecting the integrity of the data. (CVE-2023-3347)

  - An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not     validate a field in the network packet that contains the count of elements in an array-like structure. By     passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This     flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a     denial of service condition. (CVE-2023-34966)

  - A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing     Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys     are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a     lack of type checking in callers of the dalloc_value_for_key() function, which returns the object     associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the     passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client     connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker     process, affecting all other clients this worker serves. (CVE-2023-34967)

  - A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the     server-side absolute path of shares, files, and directories in the results for search queries. This flaw     allows a malicious client or an attacker with a targeted RPC request to view the information that is part     of the disclosed path. (CVE-2023-34968)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
242780	NewStart CGSL MAIN 7.02 : samba Multiple Vulnerabilities (NS-SA-2025-0133)	Nessus	NewStart CGSL Local Security Checks	2025/7/25	2025/7/25	critical
178487	Ubuntu 20.04 LTS / 22.04 LTS / 23.04 : Samba vulnerabilities (USN-6238-1)	Nessus	Ubuntu Local Security Checks	2023/7/19	2025/9/3	medium
178590	SUSE SLES12 Security Update : samba (SUSE-SU-2023:2888-1)	Nessus	SuSE Local Security Checks	2023/7/20	2023/10/12	medium
178729	Fedora 38 : samba (2023-76c06c8576)	Nessus	Fedora Local Security Checks	2023/7/22	2024/11/14	medium
179819	Debian DSA-5477-1 : samba - security update	Nessus	Debian Local Security Checks	2023/8/15	2025/5/9	medium
185620	CentOS 8 : samba (CESA-2023:7139)	Nessus	CentOS Local Security Checks	2023/11/14	2023/11/14	medium
185663	RHEL 8 : samba (RHSA-2023:7139)	Nessus	Red Hat Local Security Checks	2023/11/14	2024/11/7	medium
189578	RHEL 8 : samba (RHSA-2024:0423)	Nessus	Red Hat Local Security Checks	2024/1/25	2024/11/7	medium
191226	CentOS 9 : samba-4.18.5-100.el9	Nessus	CentOS Local Security Checks	2024/2/29	2024/4/26	medium

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