CVE-2023-52557

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/03/2024

Last modified:

01/08/2024

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.<br />

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

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