Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mutt | Mutt | 1.5.19 |
| Openssl | Openssl | All versions |
Related Weaknesses (CWE)
References
- http://dev.mutt.org/trac/changeset/6016:dc09812e63a3/mutt_ssl.c
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
- http://marc.info/?l=oss-security&m=125198917018936&w=2
- http://marc.info/?l=oss-security&m=125369675820512&w=2
- http://dev.mutt.org/trac/changeset/6016:dc09812e63a3/mutt_ssl.c
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
- http://marc.info/?l=oss-security&m=125198917018936&w=2
- http://marc.info/?l=oss-security&m=125369675820512&w=2
FAQ
What is CVE-2009-3765?
CVE-2009-3765 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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...
How severe is CVE-2009-3765?
CVE-2009-3765 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-3765?
Check the references section above for vendor advisories and patch information. Affected products include: Mutt Mutt, Openssl Openssl.