Vulnerability CVE-2010-2074
Published: 2010-06-16   Modified: 2012-02-13

Description:
istream.c in w3m 0.5.2 and possibly other versions, when ssl_verify_server is enabled, 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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
W3M -> W3M 

 References:
http://www.vupen.com/english/advisories/2010/1928
http://www.vupen.com/english/advisories/2010/1879
http://www.vupen.com/english/advisories/2010/1467
http://www.securitytracker.com/id?1024252
http://www.securityfocus.com/bid/40837
http://www.redhat.com/support/errata/RHSA-2010-0565.html
http://www.openwall.com/lists/oss-security/2010/06/14/4
http://secunia.com/advisories/40733
http://secunia.com/advisories/40134
http://osvdb.org/65538
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044401.html
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