Echo: samba: security update to 2:4.17.10+dfsg-0+deb12u1

medium Tenable Cloud Security Plugin ID 460362

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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)

Solution

Update the samba library and its related packages to version 2:4.17.10+dfsg-0+deb12u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2023-34967

Plugin Details

Severity: Medium

ID: 460362

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2023-34967

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 7/20/2023

Reference Information

CVE: CVE-2023-34967

IAVA: 2023-A-0376-S