Amazon Linux 2 Security Advisory: ALAS-2018-1045
Advisory Release Date: 2018-08-08 16:34 Pacific
Advisory Updated Date: 2018-08-09 23:13 Pacific
A data validation flaw was found in the way gnupg processes file names during decryption and signature validation. An attacker may be able to inject messages into gnupg verbose message logging which may have the potential to bypass the integrity of signature authentication mechanisms and could have other unintended consequences if applications take action(s) based on parsed verbose gnupg output.(CVE-2018-12020)
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.
i686:
gnupg2-2.0.22-5.amzn2.0.2.i686
gnupg2-smime-2.0.22-5.amzn2.0.2.i686
gnupg2-debuginfo-2.0.22-5.amzn2.0.2.i686
src:
gnupg2-2.0.22-5.amzn2.0.2.src
x86_64:
gnupg2-2.0.22-5.amzn2.0.2.x86_64
gnupg2-smime-2.0.22-5.amzn2.0.2.x86_64
gnupg2-debuginfo-2.0.22-5.amzn2.0.2.x86_64