CVE-2015-5292

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    CVE-2015-5292

    Published: 29 Oct 2015Last Modified: 10 Apr 2026

    Summary:

    Details: Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Services Daemon (SSSD) 1.10 before 1.13.1 allows remote authenticated users to cause a denial of service (memory consumption) via a large number of logins that trigger parsing of PAC blobs during Kerberos authentication.

    References: http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422, http://rhn.redhat.com/errata/RHSA-2015-2019.html, http://rhn.redhat.com/errata/RHSA-2015-2355.html, https://bugzilla.redhat.com/show_bug.cgi?id=1267580, http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html, http://www.securityfocus.com/bid/77529, http://www.securitytracker.com/id/1034038, https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch, https://fedorahosted.org/sssd/ticket/2803, https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1

    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-2015-5292 | CVE-DB