CVE Daily

CVE-2009-3942

Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly hand...

Medium CVSS 6.4

Overview

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.

CWE: CWE-310 Published: 2009-11-16T19:30:01.077
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.4 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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