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Oracle Linux: (CVE-2021-45444) ELSA-2022-2120: zsh security update

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Oracle Linux: (CVE-2021-45444) ELSA-2022-2120: zsh security update

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
02/14/2022
Created
05/20/2022
Added
05/18/2022
Modified
05/18/2022

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)

  • oracle-linux-upgrade-zsh
  • oracle-linux-upgrade-zsh-html

References

  • ELSA-2022-2120
  • CVE-2021-45444
  • USN-5325-1

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