Access of Resource Using Incompatible Type ('Type Confusion') Affecting samba-common-tools package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
3.14% (91st percentile)

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  • Snyk IDSNYK-CENTOS7-SAMBACOMMONTOOLS-5797116
  • published20 Jul 2023
  • disclosed19 Jul 2023

Introduced: 19 Jul 2023

CVE-2023-34967  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 samba-common-tools.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-common-tools package and not the samba-common-tools package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1