Description
Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
Published: 2009-11-16
Score: 6.4 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-2009-3913 Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
History

Wed, 28 May 2025 14:45:00 +0000

Type Values Removed Values Added
References

Thu, 22 May 2025 04:30:00 +0000


Subscriptions

Martin Lambers Msmtp
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T06:45:50.505Z

Reserved: 2009-11-16T00:00:00.000Z

Link: CVE-2009-3942

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-11-16T19:30:01.077

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-3942

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-10-24T00:00:00Z

Links: CVE-2009-3942 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses