Dovecot ACL mailbox security bypass
| dovecot-acl-mailbox-security-bypass (45669) |  Medium Risk |
Description:
Dovecot could allow a remote attacker to bypass security restrictions. The "k" right does not prevent the creation of parent/child/child mailboxes. An attacker could exploit this vulnerability to create unauthorized mailboxes.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Upgrade to the latest version of Dovecot (1.1.4 or later), available from the Dovecot Web site. See References.
References:
- Dovecot Web site: Download.
- Dovecot-news Mailing List, Sun Oct 5 20:14:30 EEST 2008: [Dovecot-news] v1.1.4 released.
- BID-31587: Dovecot ACL Plugin Multiple Security Bypass Vulnerabilities
- CVE-2008-4578: The ACL plugin in Dovecot before 1.1.4 allows attackers to bypass intended access restrictions by using the k right to create unauthorized parent/child/child mailboxes.
- GLSA-200812-16: Dovecot: Multiple vulnerabilities
- MDVSA-2008:232: dovecot
- SA32164: Dovecot ACL Plugin Security Bypass Security Issues
- VUPEN/ADV-2008-2745: Dovecot ACL Plugin Rights Handling Security Bypass Vulnerabilities
Platforms Affected:
- Dovecot Dovecot 1.0
- Dovecot Dovecot 1.0 rc14
- Dovecot Dovecot 1.0 beta7
- Dovecot Dovecot 1.0 rc15
- Dovecot Dovecot 1.0 beta8
- Dovecot Dovecot 1.0 rc29
- Dovecot Dovecot 1.0 beta2
- Dovecot Dovecot 1.0 beta3
- Dovecot Dovecot 1.0 rc1
- Dovecot Dovecot 1.0 rc10
- Dovecot Dovecot 1.0 rc11
- Dovecot Dovecot 1.0 rc12
- Dovecot Dovecot 1.0 rc13
- Dovecot Dovecot 1.0 rc9
- Dovecot Dovecot 1.0 rc8
- Dovecot Dovecot 1.0 rc7
- Dovecot Dovecot 1.0 rc6
- Dovecot Dovecot 1.0 rc5
- Dovecot Dovecot 1.0 rc4
- Dovecot Dovecot 1.0 rc3
- Dovecot Dovecot 1.0 rc2
- Dovecot Dovecot 1.0.10
- Dovecot Dovecot 1.0.11
- Dovecot Dovecot 1.0.12
- Dovecot Dovecot 1.0.13
- Dovecot Dovecot 1.0.3
- Dovecot Dovecot 1.0.4
- Dovecot Dovecot 1.0.5
- Dovecot Dovecot 1.0.6
- Dovecot Dovecot 1.0.7
- Dovecot Dovecot 1.0.8
- Dovecot Dovecot 1.0.9
- Dovecot Dovecot 1.1 rc3
- Dovecot Dovecot 1.1 rc2
- Gentoo Linux
- Mandriva Linux 2009.0 X86_64
- Mandriva Linux 2009.0
Reported:
Oct 05, 2008
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.