CVE-2011-4318

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2011-4318
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-03-07 01:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionDovecot 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.

Risk And Classification

Primary CVSS: v2.0 5.8 from [email protected]

AV:N/AC:M/Au:N/C:P/I:P/A:N

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:P/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dovecot Dovecot 2.0.0 All All All
Application Dovecot Dovecot 2.0.1 All All All
Application Dovecot Dovecot 2.0.10 All All All
Application Dovecot Dovecot 2.0.11 All All All
Application Dovecot Dovecot 2.0.12 All All All
Application Dovecot Dovecot 2.0.13 All All All
Application Dovecot Dovecot 2.0.14 All All All
Application Dovecot Dovecot 2.0.15 All All All
Application Dovecot Dovecot 2.0.2 All All All
Application Dovecot Dovecot 2.0.3 All All All
Application Dovecot Dovecot 2.0.4 All All All
Application Dovecot Dovecot 2.0.5 All All All
Application Dovecot Dovecot 2.0.6 All All All
Application Dovecot Dovecot 2.0.7 All All All
Application Dovecot Dovecot 2.0.8 All All All
Application Dovecot Dovecot 2.0.9 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Vendor Advisory
oss-security - Re: CVE Request -- Dovecot -- Validate certificate's CN against requested remote server hostname when proxying af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
754980 – (CVE-2011-4318) CVE-2011-4318 dovecot: proxy destination host name not checked against SSL certificate name af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
oss-security - Re: CVE Request -- Dovecot -- Validate certificate's CN against requested remote server hostname when proxying af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
390887 – (CVE-2011-4318) <net-mail/dovecot-2.0.16: Possible Man-in-the-Middle Attacks (CVE-2011-4318) af854a3a-2127-422b-91ae-364da2661108 bugs.gentoo.org
dovecot-2.0: changeset 12977:5e9eaf63a6b1 af854a3a-2127-422b-91ae-364da2661108 hg.dovecot.org
[Dovecot-news] v2.0.16 released af854a3a-2127-422b-91ae-364da2661108 www.dovecot.org
Security Advisory SA52311 - Red Hat update for dovecot - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

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. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report