CVE-2023-27567

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-27567
In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.

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/7.2/common/013_tcp.patch.sig Patch
https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2
https://security.netapp.com/advisory/ntap-20230406-0001/
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig Patch
https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2
https://security.netapp.com/advisory/ntap-20230406-0001/
Configurations

Configuration 1 (hide)

cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*
History

06 Mar 2025, 17:15

Type Values Removed Values Added
CWE CWE-400

21 Nov 2024, 07:53

Type Values Removed Values Added
References () https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig - Patch () https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig - Patch
References () https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2 - () https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2 -
References () https://security.netapp.com/advisory/ntap-20230406-0001/ - () https://security.netapp.com/advisory/ntap-20230406-0001/ -

27 Mar 2023, 18:15

Type Values Removed Values Added
References
  • (MISC) https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2 -

10 Mar 2023, 14:58

Type Values Removed Values Added
CWE NVD-CWE-noinfo
CPE cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*
References (MISC) https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig - (MISC) https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

03 Mar 2023, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-03-03 22:15

Updated : 2025-03-06 17:15

NVD link : CVE-2023-27567

Mitre link : CVE-2023-27567

CVE.ORG link : CVE-2023-27567

JSON object : View

Products Affected

openbsd

  • openbsd
CWE
NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption