CVE-2015-3245

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    CVE-2015-3245

    Published: 11 Aug 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

    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://www.securityfocus.com/bid/76021, 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-2015-3245 | CVE-DB