Medium: libreswan

Issue Overview:

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. (CVE-2024-3652)

Affected Packages:

libreswan

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update libreswan to update your system.

New Packages:

aarch64:  
    libreswan-3.25-4.8.amzn2.0.3.aarch64  
    libreswan-debuginfo-3.25-4.8.amzn2.0.3.aarch64  
  
i686:  
    libreswan-3.25-4.8.amzn2.0.3.i686  
    libreswan-debuginfo-3.25-4.8.amzn2.0.3.i686  
  
src:  
    libreswan-3.25-4.8.amzn2.0.3.src  
  
x86_64:  
    libreswan-3.25-4.8.amzn2.0.3.x86_64  
    libreswan-debuginfo-3.25-4.8.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2024-3652

Mitre: CVE-2024-3652