CVE-2023-52558

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-52558
In OpenBSD 7.4 before errata 002 and OpenBSD 7.3 before errata 019, a network buffer that had to be split at certain length that could crash the kernel after receiving specially crafted escape sequences.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig
https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig
https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89
Configurations

No configuration.

History

21 Nov 2024, 08:40

Type Values Removed Values Added
References () https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig - () https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig -
References () https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig - () https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig -
References () https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89 - () https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89 -

19 Nov 2024, 22:35

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
Summary
  • (es) En OpenBSD 7.4 anterior a la errata 002 y OpenBSD 7.3 anterior a la errata 019, un búfer de red que tenía que dividirse en cierta longitud podía bloquear el kernel después de recibir secuencias de escape especialmente manipuladas.

01 Mar 2024, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-03-01 17:15

Updated : 2024-11-21 08:40

NVD link : CVE-2023-52558

Mitre link : CVE-2023-52558

CVE.ORG link : CVE-2023-52558

JSON object : View

Products Affected

No product.

CWE
CWE-131

Incorrect Calculation of Buffer Size