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Debian: CVE-2021-45444: zsh -- security update

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Debian: CVE-2021-45444: zsh -- security update

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
02/14/2022
Created
02/19/2022
Added
02/18/2022
Modified
02/25/2022

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)

  • debian-upgrade-zsh

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