Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2009-3766

mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Published

2009-10-23T19:30:00.233

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-310

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mutt	mutt	< 1.5.19	Yes
Application	openssl	openssl	*	No

References

http://dev.mutt.org/trac/ticket/3087 Patch, Vendor Advisory ([email protected])
http://marc.info/?l=oss-security&m=125198917018936&w=2 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/26/1 Mailing List, Third Party Advisory ([email protected])
http://dev.mutt.org/trac/ticket/3087 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=oss-security&m=125198917018936&w=2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/26/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)