Medium: gnupg2

Issue Overview:

The do_uncompress function in g10/compress.c allows context-dependent attackers to cause a denial of service (infinite loop) via malformed compressed packets, as demonstrated by an a3 01 5b ff byte sequence.(CVE-2014-4617)

Affected Packages:

gnupg2

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 gnupg2 to update your system.

New Packages:

aarch64:  
    gnupg2-2.0.22-5.amzn2.0.3.aarch64  
    gnupg2-smime-2.0.22-5.amzn2.0.3.aarch64  
    gnupg2-debuginfo-2.0.22-5.amzn2.0.3.aarch64  
  
i686:  
    gnupg2-2.0.22-5.amzn2.0.3.i686  
    gnupg2-smime-2.0.22-5.amzn2.0.3.i686  
    gnupg2-debuginfo-2.0.22-5.amzn2.0.3.i686  
  
src:  
    gnupg2-2.0.22-5.amzn2.0.3.src  
  
x86_64:  
    gnupg2-2.0.22-5.amzn2.0.3.x86_64  
    gnupg2-smime-2.0.22-5.amzn2.0.3.x86_64  
    gnupg2-debuginfo-2.0.22-5.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2014-4617

Mitre: CVE-2014-4617