Libreswan Restart Issue with IKEv1 and AES-GMAC
CVE-2024-3652

6.5MEDIUM

Key Information:

Vendor

The Libreswan Project (www.libreswan.org)

Status
Libreswan
Vendor
CVE Published:
11 April 2024

What is 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.

Affected Version(s)

libreswan 3.22 <= 4.14

libreswan 5.0

References

https://libreswan.org/security/CVE-2024-3652
vendor-advisory
http://www.openwall.com/lists/oss-security/2024/04/18/2

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

github user X1AOxiang
.