CVE-2008-4577

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    CVE-2008-4577

    Published: 15 Oct 2008Last Modified: 10 Apr 2026

    Summary:

    Details: The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

    References: http://secunia.com/advisories/32164, http://secunia.com/advisories/32471, http://secunia.com/advisories/33149, http://secunia.com/advisories/33624, http://secunia.com/advisories/36904, http://security.gentoo.org/glsa/glsa-200812-16.xml, http://www.dovecot.org/list/dovecot-news/2008-October/000085.html, http://www.mandriva.com/security/advisories?name=MDVSA-2008:232, http://www.securityfocus.com/bid/31587, http://www.ubuntu.com/usn/USN-838-1, http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html, http://www.dovecot.org/list/dovecot-news/2008-October/000085.html, https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00816.html, https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00844.html, http://bugs.gentoo.org/show_bug.cgi?id=240409, http://www.vupen.com/english/advisories/2008/2745, http://www.redhat.com/support/errata/RHSA-2009-0205.html, http://www.securityfocus.com/bid/31587, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10376

    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-2008-4577 | CVE-DB