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CVE-2023-34967

Status Candidate

Overview

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.

Related Files

Debian Security Advisory 5647-1
Posted Mar 25, 2024
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5647-1 - Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix, which might result in denial of service or information disclosure.

tags | advisory, denial of service, vulnerability, info disclosure
systems | linux, unix, debian
advisories | CVE-2022-2127, CVE-2022-3437, CVE-2023-34966, CVE-2023-34967, CVE-2023-34968, CVE-2023-4091
SHA-256 | 1bf3eff1b405cc8734e78a924bf59118ea64667832f1c6ee614a890520f6a767
Download | Favorite | View
Gentoo Linux Security Advisory 202402-28
Posted Feb 19, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202402-28 - Multiple vulnerabilities have been discovered in Samba, the worst of which can lead to remote code execution. Versions greater than or equal to 4.18.9 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2018-14628, CVE-2022-2127, CVE-2023-3347, CVE-2023-34966, CVE-2023-34967, CVE-2023-34968, CVE-2023-3961, CVE-2023-4091, CVE-2023-4154, CVE-2023-42669, CVE-2023-42670
SHA-256 | c1b77ea663583d7b2f9d45426761c56ddbb0b4ac671059fc79dbe605a5da5b12
Download | Favorite | View
Debian Security Advisory 5477-1
Posted Aug 15, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5477-1 - Several vulnerabilities have been discovered in Samba, which could result in information disclosure, denial of service or insufficient enforcement of security-relevant config directives.

tags | advisory, denial of service, vulnerability, info disclosure
systems | linux, debian
advisories | CVE-2022-2127, CVE-2023-3347, CVE-2023-34966, CVE-2023-34967, CVE-2023-34968
SHA-256 | af91853d8e5f0024764f5543a8b80895c57747aa8c34de789911957203c66602
Download | Favorite | View
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