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

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

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
02/12/2022
Created
05/20/2022
Added
05/18/2022
Modified
11/29/2024

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. 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.

Solution(s)

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

References

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