Vulnerability · Published Mar 1, 2024 · Assigned by cisa-cg

CVE-2023-52557OpenBSD 7.3 invalid l2tp message npppd crash

High 7.5

In plain English

A high-severity security flaw in OpenBSD from OpenBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 53.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
OpenBSD OpenBSD 7.3 – before 7.3 errata 016

Weakness: CWE-131, CWE-805 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References