Important: libksba

Issue Overview:

A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment. (CVE-2022-3515)

Affected Packages:

libksba

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 libksba to update your system.

New Packages:

aarch64:  
    libksba-1.3.0-6.amzn2.aarch64  
    libksba-devel-1.3.0-6.amzn2.aarch64  
    libksba-debuginfo-1.3.0-6.amzn2.aarch64  
  
i686:  
    libksba-1.3.0-6.amzn2.i686  
    libksba-devel-1.3.0-6.amzn2.i686  
    libksba-debuginfo-1.3.0-6.amzn2.i686  
  
src:  
    libksba-1.3.0-6.amzn2.src  
  
x86_64:  
    libksba-1.3.0-6.amzn2.x86_64  
    libksba-devel-1.3.0-6.amzn2.x86_64  
    libksba-debuginfo-1.3.0-6.amzn2.x86_64  

Additional References

Red Hat: CVE-2022-3515

Mitre: CVE-2022-3515