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Test ID:1.3.6.1.4.1.25623.1.0.800030
Category:Privilege escalation
Title:Dovecot ACL Plugin Security Bypass Vulnerabilities
Summary:Check for the version of Dovecot
Description:
Overview: This host has Dovecot ACL Plugin installed and is prone to
multiple security bypass vulnerabilities.

Vulnerability Insight:
The flaws are due to,
- the ACL plugin interprets negative access rights as positive access rights,
potentially giving an unprivileged user access to restricted resources.
- an error in the ACL plugin when imposing mailbox creation restrictions to
to create parent/child/child mailboxes.

Impact: Successful attack could allow malicious people to bypass certain
security restrictions or manipulate certain data.

Impact Level: Application

Affected Software/OS:
Dovecot versions prior to 1.1.4 on Linux

Fix: Upgrade to Dovecot version 1.1.4
http://www.dovecot.org/download.html

References:
http://www.frsirt.com/english/advisories/2008/2745
http://www.dovecot.org/list/dovecot-news/2008-October/000085.html
Cross-Ref: BugTraq ID: 31587
Common Vulnerability Exposure (CVE) ID: CVE-2008-4577
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://security.gentoo.org/glsa/glsa-200812-16.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2008:232
http://www.redhat.com/support/errata/RHSA-2009-0205.html
SuSE Security Announcement: SUSE-SR:2009:004 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html
http://www.ubuntu.com/usn/USN-838-1
http://www.securityfocus.com/bid/31587
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10376
http://secunia.com/advisories/36904
http://www.vupen.com/english/advisories/2008/2745
http://secunia.com/advisories/32164
http://secunia.com/advisories/33149
http://secunia.com/advisories/33624
http://secunia.com/advisories/32471
Common Vulnerability Exposure (CVE) ID: CVE-2008-4578
Bugtraq: 20081119 Re: [ MDVSA-2008:232 ] dovecot (Google Search)
http://www.securityfocus.com/archive/1/archive/1/498498/100/0/threaded
XForce ISS Database: dovecot-acl-mailbox-security-bypass(45669)
http://xforce.iss.net/xforce/xfdb/45669
CopyrightCopyright (C) 2008 Greenbone Networks GmbH

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