CVE-2015-3246

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    CVE-2015-3246

    Published: 11 Aug 2015Last Modified: 16 Apr 2026

    Summary:

    Details: libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.

    References: http://rhn.redhat.com/errata/RHSA-2015-1482.html, http://rhn.redhat.com/errata/RHSA-2015-1483.html, https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt, http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html, http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html, http://www.securityfocus.com/bid/76022, http://www.securitytracker.com/id/1033040, https://access.redhat.com/articles/1537873, https://www.exploit-db.com/exploits/44633/

    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
    CVE-2015-3246 | CVE-DB