Vulnerability in Mutt

CVE-2009-3765

mutt_ssl.c in mutt 1.5.19 and 1.5.20, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) 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 (61.8th percentile) — read the EPSS interpretation.

Affected products

  • Mutt — versions 1.5.19, 1.5.20
  • Openssl
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-3765?
CVE-2009-3765 is a vulnerability in Mutt, classified under Cryptographic Issues. Published 2009-10-23.
Is CVE-2009-3765 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.