CVE-2008-2936

    Dashboard / Vulnerabilities / CVE-2008-2936

    CVE-2008-2936

    Published: 18 Aug 2008Last Modified: 10 Apr 2026

    Summary:

    Details: Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.

    References: http://secunia.com/advisories/31469, http://secunia.com/advisories/31474, http://secunia.com/advisories/31477, http://secunia.com/advisories/31485, http://secunia.com/advisories/31500, http://secunia.com/advisories/31530, http://secunia.com/advisories/32231, http://security.gentoo.org/glsa/glsa-200808-12.xml, http://www.debian.org/security/2008/dsa-1629, http://www.mandriva.com/security/advisories?name=MDVSA-2008:171, http://www.vupen.com/english/advisories/2008/2385, http://www.securityfocus.com/bid/30691, ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY, ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY, ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY, ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY, http://article.gmane.org/gmane.mail.postfix.announce/110, http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html, http://securityreason.com/securityalert/4160, http://wiki.rpath.com/Advisories:rPSA-2008-0259, http://www.kb.cert.org/vuls/id/938323, http://www.redhat.com/support/errata/RHSA-2008-0839.html, http://www.securityfocus.com/archive/1/495474/100/0/threaded, http://www.securityfocus.com/archive/1/495632/100/0/threaded, http://www.securityfocus.com/archive/1/495882/100/0/threaded, http://www.securitytracker.com/id?1020700, https://exchange.xforce.ibmcloud.com/vulnerabilities/44460, https://issues.rpath.com/browse/RPL-2689, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10033, https://usn.ubuntu.com/636-1/, https://www.exploit-db.com/exploits/6337, 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