vulnerability
Amazon Linux 2023: CVE-2021-45444: Medium priority package update for zsh
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:P/I:P/A:P) | Feb 12, 2022 | Feb 17, 2025 | Jul 4, 2025 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
Feb 12, 2022
Added
Feb 17, 2025
Modified
Jul 4, 2025
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.
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.
Solutions
amazon-linux-2023-upgrade-zshamazon-linux-2023-upgrade-zsh-debuginfoamazon-linux-2023-upgrade-zsh-debugsourceamazon-linux-2023-upgrade-zsh-html
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