CVEvulnerability
CVE-2011-4318
5.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2013-03-07
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-20
Description
Dovecot 2.0.x before 2.0.16, when ssl or starttls is enabled and hostname is used to define the proxy destination, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate for a different hostname.
Affected configurations
• dovecot dovecot 2.0.0
• dovecot dovecot 2.0.1
• dovecot dovecot 2.0.2
• dovecot dovecot 2.0.3
• dovecot dovecot 2.0.4
• dovecot dovecot 2.0.5
• dovecot dovecot 2.0.6
• dovecot dovecot 2.0.7
• dovecot dovecot 2.0.8
• dovecot dovecot 2.0.9
• dovecot dovecot 2.0.10
• dovecot dovecot 2.0.11
• dovecot dovecot 2.0.12
• dovecot dovecot 2.0.13
• dovecot dovecot 2.0.14
• dovecot dovecot 2.0.15
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://hg.dovecot.org/dovecot-2.0/rev/5e9eaf63a6b1 hg.dovecot.org
- http://rhn.redhat.com/errata/RHSA-2013-0520.html Vendor Advisory
- http://secunia.com/advisories/46886 secunia.com
- http://secunia.com/advisories/52311 Vendor Advisory
- http://www.dovecot.org/list/dovecot-news/2011-November/000200.html www.dovecot.org
- http://www.openwall.com/lists/oss-security/2011/11/18/5 www.openwall.com
- http://www.openwall.com/lists/oss-security/2011/11/18/7 www.openwall.com
- https://bugs.gentoo.org/show_bug.cgi?id=390887 bugs.gentoo.org
- https://bugzilla.redhat.com/show_bug.cgi?id=754980 bugzilla.redhat.com
- http://hg.dovecot.org/dovecot-2.0/rev/5e9eaf63a6b1 hg.dovecot.org
- http://rhn.redhat.com/errata/RHSA-2013-0520.html Vendor Advisory
- http://secunia.com/advisories/46886 secunia.com
- http://secunia.com/advisories/52311 Vendor Advisory
- http://www.dovecot.org/list/dovecot-news/2011-November/000200.html www.dovecot.org
- http://www.openwall.com/lists/oss-security/2011/11/18/5 www.openwall.com
- http://www.openwall.com/lists/oss-security/2011/11/18/7 www.openwall.com
- https://bugs.gentoo.org/show_bug.cgi?id=390887 bugs.gentoo.org
- https://bugzilla.redhat.com/show_bug.cgi?id=754980 bugzilla.redhat.com