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Alma Linux: CVE-2021-45444: Moderate: zsh security update (ALSA-2022-2120)

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Alma Linux: CVE-2021-45444: Moderate: zsh security update (ALSA-2022-2120)

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
02/14/2022
Created
05/14/2022
Added
05/13/2022
Modified
11/26/2024

Description

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.

Solution(s)

  • alma-upgrade-zsh
  • alma-upgrade-zsh-html

References

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