CVE-2014-2972

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    CVE-2014-2972

    Published: 4 Sept 2014Last Modified: 10 Apr 2026

    Summary:

    Details: expand.c in Exim before 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.

    References: http://www.ubuntu.com/usn/USN-2933-1, https://lists.exim.org/lurker/message/20140722.145949.42c043f5.en.html, https://lists.exim.org/lurker/message/20140722.152452.d6c019e8.en.html, https://security.gentoo.org/glsa/201607-12, https://lists.exim.org/lurker/message/20140722.145949.42c043f5.en.html, https://bugzilla.redhat.com/show_bug.cgi?id=1122552, http://git.exim.org/exim.git/commitdiff/7685ce68148a083d7759e78d01aa5198fc099c44, http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136251.html, http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136264.html

    Affected packages

    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