CVE-2023-52557

OpenBSD 7.3 invalid l2tp message npppd crash

State: Published
Severity: 7.5 High
Published: Mar 1, 2024
Updated: Aug 2, 2024
Reserved: Mar 1, 2024

Description

In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-131 Incorrect Calculation of Buffer Size
CWE-805 Buffer Access with Incorrect Length Value

Affected Products

Product	Versions
OpenBSDOpenBSD	7.3 to before 7.3 errata 016Affected

References

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch.sig
https://github.com/openbsd/src/commit/abf3a29384c582c807a621e7fc6e7c68d0cafe9b

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.