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Affected Component
Analysis
zsh
Patched
Name
CVE-2021-45444
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
http://seclists.org/fulldisclosure/2022/May/33Mailing List
http://seclists.org/fulldisclosure/2022/May/35Mailing List
http://seclists.org/fulldisclosure/2022/May/38Mailing List
https://support.apple.com/kb/HT213255Third Party Advisory
https://support.apple.com/kb/HT213256Third Party Advisory
https://support.apple.com/kb/HT213257Third Party Advisory
https://vuln.ryotak.me/advisories/63Third Party Advisory
https://www.debian.org/security/2022/dsa-5078Third Party Advisory
https://zsh.sourceforge.io/releases.htmlRelease Notes
http://seclists.org/fulldisclosure/2022/May/33Mailing List
http://seclists.org/fulldisclosure/2022/May/35Mailing List
http://seclists.org/fulldisclosure/2022/May/38Mailing List
https://support.apple.com/kb/HT213255Third Party Advisory
https://support.apple.com/kb/HT213256Third Party Advisory
https://support.apple.com/kb/HT213257Third Party Advisory
https://vuln.ryotak.me/advisories/63Third Party Advisory
https://www.debian.org/security/2022/dsa-5078Third Party Advisory
https://zsh.sourceforge.io/releases.htmlRelease Notes
Analysis#
Vulnerability Ratings#
7.8
CVSSv31
5.1
CVSSv2
Others affected components#
Resolved with patches#
zsh (yocto:kirkstone)
#
Title
Author
Resolve
1
security/41: Don't perform PROMPT_SUBST evaluation on
Oliver Kiddle <opk@zsh.org>
CVE-2021-45444
2
security/89: Add patch which can optionally be used to
Marc Cornellà <hello@mcornella.com>
CVE-2021-45444
3
CVE-2021-45444: Update NEWS/README
dana <dana@dana.is>
CVE-2021-45444
zsh (yocto:scarthgap)
#
Title
Author
Resolve
1
security/41: Don't perform PROMPT_SUBST evaluation on
Oliver Kiddle <opk@zsh.org>
CVE-2021-45444
2
security/89: Add patch which can optionally be used to
Marc Cornellà <hello@mcornella.com>
CVE-2021-45444
3
CVE-2021-45444: Update NEWS/README
dana <dana@dana.is>
CVE-2021-45444