National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-3765 Detail

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.

Source:  MITRE
Description Last Modified:  10/23/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/26/2009)

Not vulnerable. This issue did not affect the versions of mutt as shipped with Red Hat Enterprise Linux 3, 4, or 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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

Technical Details

Vulnerability Type (View All)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3765
NVD Published Date:
10/23/2009
NVD Last Modified:
10/29/2009