CVE-2023-34967

medium

Description

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.

References

https://www.samba.org/samba/security/CVE-2023-34967.html

https://www.debian.org/security/2023/dsa-5477

https://security.netapp.com/advisory/ntap-20230731-0010/

https://lists.fedoraproject.org/archives/list/[email protected]/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/

https://lists.fedoraproject.org/archives/list/[email protected]/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/

https://bugzilla.redhat.com/show_bug.cgi?id=2222794

https://access.redhat.com/security/cve/CVE-2023-34967

https://access.redhat.com/errata/RHSA-2024:0580

https://access.redhat.com/errata/RHSA-2024:0423

https://access.redhat.com/errata/RHSA-2023:7139

https://access.redhat.com/errata/RHSA-2023:6667

Details

Source: Mitre, NVD

Published: 2023-07-20

Updated: 2024-01-30

Risk Information

CVSS v2

Base Score: 5

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

Severity: Medium

CVSS v3

Base Score: 5.3

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

Severity: Medium