CVE-2022-43995

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    CVE-2022-43995

    Published: 2 Nov 2022Last Modified: 22 Oct 2026

    Summary:

    Details: Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the system libraries, compiler, and processor architecture.

    References: https://news.ycombinator.com/item?id=33465707, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/43xxx/CVE-2022-43995.json, https://nvd.nist.gov/vuln/detail/CVE-2022-43995, https://security.gentoo.org/glsa/202211-08, https://www.sudo.ws/security/advisories/, https://bugzilla.redhat.com/show_bug.cgi?id=2139911, https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 4333b06914558093a327ee445699c479a57933a4
    Fixed -c684bf08307b3270a62f2130bafb37c36aa3c99e

    Affected versions

    1.9.12-NA

    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