Amazon Linux 2 Security Advisory: ALAS-2020-1503
Advisory Release Date: 2020-10-22 17:21 Pacific
Advisory Updated Date: 2020-10-22 22:39 Pacific
rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell. (CVE-2019-9924)
Affected Packages:
bash
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 bash to update your system.
aarch64:
bash-4.2.46-34.amzn2.aarch64
bash-doc-4.2.46-34.amzn2.aarch64
bash-debuginfo-4.2.46-34.amzn2.aarch64
i686:
bash-4.2.46-34.amzn2.i686
bash-doc-4.2.46-34.amzn2.i686
bash-debuginfo-4.2.46-34.amzn2.i686
src:
bash-4.2.46-34.amzn2.src
x86_64:
bash-4.2.46-34.amzn2.x86_64
bash-doc-4.2.46-34.amzn2.x86_64
bash-debuginfo-4.2.46-34.amzn2.x86_64