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    Dashboard / CVE / CVE-2021-45444

    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.

    Published:Feb 12, 2022
    Last Modified:Nov 21, 2024
    EPS:Feb 13, 2022
    EPSS Score:0.00114
    CVSS Score:7.8

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Macos
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Zsh
    Product
    Zsh

    Exploits

    No exploit reference

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    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High