ALAS2022-2022-180


Amazon Linux 2022 Security Advisory: ALAS-2022-180
Advisory Release Date: 2022-11-01 21:24 Pacific
Advisory Updated Date: 2022-11-03 21:00 Pacific
Severity: Medium

Issue Overview:

A vulnerability was found in zsh in the parsecolorchar() function of prompt.c file. This flaw allows an attacker to perform code execution if they control a command output inside the prompt, as stated by a %F%K argument. This occurs because of recursive PROMPT_SUBST expansion. (CVE-2021-45444)


Affected Packages:

zsh


Issue Correction:
Run dnf update zsh --releasever=2022.0.20221102 to update your system.

New Packages:
aarch64:
    zsh-debugsource-5.8.1-1.amzn2022.0.2.aarch64
    zsh-debuginfo-5.8.1-1.amzn2022.0.2.aarch64
    zsh-5.8.1-1.amzn2022.0.2.aarch64

noarch:
    zsh-html-5.8.1-1.amzn2022.0.2.noarch

src:
    zsh-5.8.1-1.amzn2022.0.2.src

x86_64:
    zsh-debuginfo-5.8.1-1.amzn2022.0.2.x86_64
    zsh-5.8.1-1.amzn2022.0.2.x86_64
    zsh-debugsource-5.8.1-1.amzn2022.0.2.x86_64