Vulnerability in Libreswan
CVE-2024-3652
The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Libreswan
- The Libreswan Project (Www.libreswan.org) — versions 3.22, 5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- d42dc95b-23f1-4e06-9076-20753a0fb0df (vendor-advisory, Third Party Advisory)
- d42dc95b-23f1-4e06-9076-20753a0fb0df (Mailing List)
Frequently asked questions
- What is CVE-2024-3652?
- CVE-2024-3652 is a medium-severity vulnerability in Libreswan, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2024-04-11.
- How severe is CVE-2024-3652?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-3652 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.