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    CVE-2015-8239

    The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.

    Published:Nov 9, 2015
    Last Modified:Apr 20, 2025
    EPS:Oct 10, 2017
    EPSS Score:0.00876
    CVSS Score:7

    Affected Products

    Vendor
    Sudo Project
    Product
    Sudo

    Exploits

    https://github.com/justinsteven/sudo_digest_toctou_poc_CVE-2015-8239

    Related CVEs

    CVE-2026-82474 (CVSS 8.5) — Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based inter…
    CVE-2026-35535 (CVSS 7.4) — In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege …
    CVE-2025-32463 (CVSS 9.3) — Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlle…
    CVE-2025-32462 (CVSS 2.8) — Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host nor…
    CVE-2023-42465 (CVSS 7) — Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because …
    CVE-2023-28487 (CVSS 5.3) — Sudo before 1.9.13 does not escape control characters in sudoreplay output.…
    CVE-2023-28486 (CVSS 5.3) — Sudo before 1.9.13 does not escape control characters in log messages.…
    CVE-2023-27320 (CVSS 7.2) — Sudo before 1.9.13p2 has a double free in the per-command chroot feature.…
    CVE-2023-22809 (CVSS 7.8) — In Sudo before 1.9.12p2, the sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided …
    CVE-2022-43995 (CVSS 7.1) — Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-o…

    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