Vulnerability CVE-2009-2666
Published: 2009-08-07   Modified: 2012-02-13

Description:
socket.c in fetchmail before 6.3.11 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.

Type:

CWE-310

 (Cryptographic Issues)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Fetchmail -> Fetchmail 

 References:
http://fetchmail.berlios.de/fetchmail-SA-2009-01.txt
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
http://marc.info/?l=oss-security&m=124949601207156&w=2
http://support.apple.com/kb/HT3937
http://www.debian.org/security/2009/dsa-1852
http://www.mandriva.com/security/advisories?name=MDVSA-2009:201
http://www.securityfocus.com/archive/1/505530/100/0/threaded
http://www.securityfocus.com/bid/35951
http://www.securitytracker.com/id?1022679
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.543463
http://www.vupen.com/english/advisories/2009/2155
http://www.vupen.com/english/advisories/2009/3184
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11059
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