MGASA-2022-0073 - Updated zsh packages fix security vulnerability Publication date: 18 Feb 2022 URL: https://advisories.mageia.org/MGASA-2022-0073.html Type: security Affected Mageia releases: 8 CVE: 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. (CVE-2021-45444) References: - https://bugs.mageia.org/show_bug.cgi?id=30057 - https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/ - https://www.debian.org/security/2022/dsa-5078 - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45444 SRPMS: - 8/core/zsh-5.8.1-1.mga8
Mageia 2022-0073: zsh security update
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
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. (CVE-2021-45444)
References
- https://bugs.mageia.org/show_bug.cgi?id=30057
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/
- https://www.debian.org/security/2022/dsa-5078
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45444
Resolution
MGASA-2022-0073 - Updated zsh packages fix security vulnerability
SRPMS
- 8/core/zsh-5.8.1-1.mga8
Severity
Publication date: 18 Feb 2022
URL: https://advisories.mageia.org/MGASA-2022-0073.html
Type: security
CVE: CVE-2021-45444
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