ALT-PU-2022-2433-1
Closed vulnerabilities
Published: 2022-02-17
BDU:2022-01068
Уязвимость командной оболочки zsh, связанная с непринятием мер по нейтрализации специальных элементов, позволяющая нарушителю выполнить произвольные команды
Severity: HIGH (8.8)
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: CRITICAL (10.0)
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
References:
Published: 2022-02-14
Modified: 2024-11-21
Modified: 2024-11-21
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.
Severity: MEDIUM (5.1)
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P
Severity: HIGH (7.8)
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References:
- http://seclists.org/fulldisclosure/2022/May/33
- http://seclists.org/fulldisclosure/2022/May/35
- http://seclists.org/fulldisclosure/2022/May/38
- https://lists.debian.org/debian-lts-announce/2022/02/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/
- https://support.apple.com/kb/HT213255
- https://support.apple.com/kb/HT213256
- https://support.apple.com/kb/HT213257
- https://vuln.ryotak.me/advisories/63
- https://www.debian.org/security/2022/dsa-5078
- https://zsh.sourceforge.io/releases.html
- http://seclists.org/fulldisclosure/2022/May/33
- http://seclists.org/fulldisclosure/2022/May/35
- http://seclists.org/fulldisclosure/2022/May/38
- https://lists.debian.org/debian-lts-announce/2022/02/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/
- https://support.apple.com/kb/HT213255
- https://support.apple.com/kb/HT213256
- https://support.apple.com/kb/HT213257
- https://vuln.ryotak.me/advisories/63
- https://www.debian.org/security/2022/dsa-5078
- https://zsh.sourceforge.io/releases.html