Vulnerability in Martin Lambers Msmtp

CVE-2009-3942

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.011 (61.7th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-3942?
CVE-2009-3942 is a vulnerability in Martin Lambers Msmtp, classified under Cryptographic Issues. Published 2009-11-16.
Is CVE-2009-3942 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.