CVE-2008-3889

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    CVE-2008-3889

    Published: 12 Sept 2008Last Modified: 10 Apr 2026

    Summary:

    Details: Postfix 2.4 before 2.4.9, 2.5 before 2.5.5, and 2.6 before 2.6-20080902, when used with the Linux 2.6 kernel, leaks epoll file descriptors during execution of "non-Postfix" commands, which allows local users to cause a denial of service (application slowdown or exit) via a crafted command, as demonstrated by a command in a .forward file.

    References: http://secunia.com/advisories/31716, http://secunia.com/advisories/31800, http://secunia.com/advisories/31982, http://secunia.com/advisories/31986, http://secunia.com/advisories/32231, http://security.gentoo.org/glsa/glsa-200809-09.xml, http://www.mandriva.com/security/advisories?name=MDVSA-2008:190, http://www.ubuntu.com/usn/usn-642-1, http://www.postfix.org/announcements/20080902.html, http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00004.html, http://securityreason.com/securityalert/4239, http://securitytracker.com/id?1020800, http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0311, http://www.securityfocus.com/archive/1/495894/100/0/threaded, http://www.securityfocus.com/archive/1/496420/100/0/threaded, http://www.securityfocus.com/archive/1/498037/100/0/threaded, http://www.securityfocus.com/bid/30977, http://www.wekk.net/research/CVE-2008-3889/, https://exchange.xforce.ibmcloud.com/vulnerabilities/44865, https://www.exploit-db.com/exploits/6472, https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html, https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.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