HIGH 7.8 Microsoft
CVE-2021-45444
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.
Microsoft Security Update 2022-Feb: 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.
Affected Products
- cm1 zsh 5.8.1-1 on CBL Mariner 1.0
- cbl2 zsh 5.9-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-45444
- https://nvd.nist.gov/vuln/detail/CVE-2021-45444
This high severity vulnerability with a CVSS score of 7.8 was published on 2022-02-08 via Microsoft. Affected: cm1 zsh 5.8.1-1 on CBL Mariner 1.0, cbl2 zsh 5.9-1 on CBL Mariner 2.0.
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