CVE-2021-45444

Published: Feb 14, 2022Modified: Nov 21, 2024

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (22)

Products: Zsh: Zsh · Fedoraproject: Fedora · Debian: Debian Linux · +1 more

Show all products

Zsh: Zsh · Fedoraproject: Fedora · Debian: Debian Linux · Apple: Mac Os X, Macos

1 product

1 product

1 product

2 products

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Zsh Zsh	Before 5.8.1

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 34
Fedoraproject Fedora	Version 35

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 11.0
Debian Debian Linux	Version 9.0

Configuration D

16 vulnerable

Vulnerable Software	Affected Versions
Apple Mac Os X	From 10.15 to 10.15.7
Apple Mac Os X	Version 10.15.7 security_update_2020-001
Apple Mac Os X	Version 10.15.7 security_update_2020-005
Apple Mac Os X	Version 10.15.7 security_update_2020-007
Apple Mac Os X	Version 10.15.7 security_update_2020
Apple Mac Os X	Version 10.15.7 security_update_2021-001
Apple Mac Os X	Version 10.15.7 security_update_2021-002
Apple Mac Os X	Version 10.15.7 security_update_2021-003
Apple Mac Os X	Version 10.15.7 security_update_2021-006
Apple Mac Os X	Version 10.15.7 security_update_2021-007
Apple Mac Os X	Version 10.15.7 security_update_2021-008
Apple Mac Os X	Version 10.15.7 security_update_2022-001
Apple Mac Os X	Version 10.15.7 security_update_2022-002
Apple Mac Os X	Version 10.15.7 security_update_2022-003
Apple Macos	From 11.0 to 11.6.6
Apple Macos	From 12.0.0 to 12.4

References (24)

http://seclists.org/fulldisclosure/2022/May/33

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2022/May/35

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2022/May/38

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2022/02/msg00020.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/

Source: cve@mitre.org

https://support.apple.com/kb/HT213255

Source: cve@mitre.org

Third Party Advisory

https://support.apple.com/kb/HT213256

Source: cve@mitre.org

Third Party Advisory

https://support.apple.com/kb/HT213257

Source: cve@mitre.org

Third Party Advisory

https://vuln.ryotak.me/advisories/63

Source: cve@mitre.org

Third Party Advisory

https://www.debian.org/security/2022/dsa-5078

Source: cve@mitre.org

Third Party Advisory

https://zsh.sourceforge.io/releases.html

Source: cve@mitre.org

Release NotesThird Party Advisory

http://seclists.org/fulldisclosure/2022/May/33

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2022/May/35

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2022/May/38

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2022/02/msg00020.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/

Source: af854a3a-2127-422b-91ae-364da2661108

https://support.apple.com/kb/HT213255

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://support.apple.com/kb/HT213256

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://support.apple.com/kb/HT213257

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://vuln.ryotak.me/advisories/63

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.debian.org/security/2022/dsa-5078

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://zsh.sourceforge.io/releases.html

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesThird Party Advisory

Timeline

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