Vulnerabilities > CVE-2021-45444

CVSS 7.8 - HIGH

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

local

low complexity

NVD

Published: 2022-02-14

Updated: 2023-11-07

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Zsh ZSH ZSH 3.1.5 ZSH ZSH 3.1.6 ZSH ZSH 3.1.7 ZSH ZSH 3.1.8 ZSH ZSH 3.1.9 ZSH ZSH 4.0.1 ZSH ZSH 4.0.2 ZSH ZSH 4.0.3 ZSH ZSH 4.0.4 ZSH ZSH 4.0.5 ZSH ZSH 4.0.6 ZSH ZSH 4.0.7 ZSH ZSH 4.0.8 ZSH ZSH 4.0.9 ZSH ZSH 4.1.0 ZSH ZSH 4.1.1 ZSH ZSH 4.2.0 ZSH ZSH 4.2.1 ZSH ZSH 4.2.2 ZSH ZSH 4.2.3 ZSH ZSH 4.2.4 ZSH ZSH 4.2.5 ZSH ZSH 4.2.6 ZSH ZSH 4.3.0 ZSH ZSH 4.3.1 ZSH ZSH 4.3.2 ZSH ZSH 4.3.3 ZSH ZSH 4.3.4 ZSH ZSH 4.3.5 ZSH ZSH 4.3.6 ZSH ZSH 4.3.7 ZSH ZSH 4.3.8 ZSH ZSH 4.3.9 ZSH ZSH 4.3.10 ZSH ZSH 4.3.11 ZSH ZSH 4.3.12 ZSH ZSH 4.3.13 ZSH ZSH 4.3.14 ZSH ZSH 4.3.15 ZSH ZSH 4.3.16 ZSH ZSH 4.3.17 ZSH ZSH 5.0.0 ZSH ZSH 5.0.1 ZSH ZSH 5.0.2 ZSH ZSH 5.0.3 ZSH ZSH 5.0.4 ZSH ZSH 5.0.5 ZSH ZSH 5.0.6 ZSH ZSH 5.0.7 ZSH ZSH 5.0.8 ZSH ZSH 5.1 ZSH ZSH 5.1.1 ZSH ZSH 5.2 ZSH ZSH 5.3 ZSH ZSH 5.3.1 ZSH ZSH 5.4 ZSH ZSH 5.4.1 ZSH ZSH 5.4.2 ZSH ZSH 5.5 ZSH ZSH 5.5.1 ZSH ZSH 5.6 ZSH ZSH 5.6.1 ZSH ZSH 5.6.2 ZSH ZSH 5.7 ZSH ZSH 5.7.1 ZSH ZSH 5.8	191
OS	Fedoraproject Fedoraproject Fedora 34 Fedoraproject Fedora 35	2
OS	Debian Debian Debian Linux 9.0 Debian Debian Linux 10.0 Debian Debian Linux 11.0	3
OS	Apple Apple MAC OS X 10.15 Apple MAC OS X 10.15.1 Apple MAC OS X 10.15.4 Apple MAC OS X 10.15.5 Apple MAC OS X 10.15.6 Apple MAC OS X 10.15.7 Apple Macos 11.0 Apple Macos 11.0.1 Apple Macos 11.1 Apple Macos 11.1.0 Apple Macos 11.2 Apple Macos 11.2.1 Apple Macos 11.3 Apple Macos 11.3.1 Apple Macos 11.4 Apple Macos 11.5 Apple Macos 11.6 Apple Macos 11.6.1 Apple Macos 11.6.2 Apple Macos 11.6.3 Apple Macos 11.6.5 Apple Macos 12.0.0 Apple Macos 12.0.1 Apple Macos 12.1 Apple Macos 12.2 Apple Macos 12.2.1 Apple Macos 12.3	39

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Summary

Vulnerable Configurations

References

Vulnerabilities > CVE-2021-45444