CVE-2011-4318

dovecot: proxy destination host name not checked against SSL certificate name

Published Mar 7, 2013 CVSS 2.0 · 5.8 Medium EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2011-4252 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.
Ubuntu USN Ubuntu USN USN-1295-1 Dovecot vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 12:01 AM
Reserved
Nov 4, 2011, 12:00 AM
Status
Modified
Published
Mar 7, 2013, 1:55 AM
Modified
Jun 16, 2026, 11:34 PM
Severity
Low
Public date
Nov 17, 2011, 12:00 AM