CVE-2023-52557

HIGH EPSS 42.1%
Published Mar 1, 20242y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 1, 2024 2y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
42.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-131
CWE-805

Affected Products 17

VendorProductVersionRange
openbsdopenbsd* <7.3
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any
openbsdopenbsd7.3any

References 2

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

Remediation

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