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.
Published: 2013-03-07
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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

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Subscriptions

Dovecot Dovecot
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T00:01:51.650Z

Reserved: 2011-11-04T00:00:00.000Z

Link: CVE-2011-4318

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-03-07T01:55:01.617

Modified: 2026-04-29T01:13:23.040

Link: CVE-2011-4318

cve-icon Redhat

Severity : Low

Publid Date: 2011-11-17T00:00:00Z

Links: CVE-2011-4318 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses