Vulnerability CVE-2009-4565
Published: 2010-01-04   Modified: 2012-02-13

Description:
sendmail before 8.14.4 does not properly handle a '\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client 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:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Sendmail -> Sendmail 

 References:
http://www.vupen.com/english/advisories/2009/3661
http://www.sendmail.org/releases/8.14.4
http://www.vupen.com/english/advisories/2011/0415
http://www.vupen.com/english/advisories/2010/1386
http://www.vupen.com/english/advisories/2010/0719
http://www.securityfocus.com/bid/37543
http://www.redhat.com/support/errata/RHSA-2011-0262.html
http://www.debian.org/security/2010/dsa-1985
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021797.1-1
http://security.gentoo.org/glsa/glsa-201206-30.xml
http://secunia.com/advisories/43366
http://secunia.com/advisories/40109
http://secunia.com/advisories/39088
http://secunia.com/advisories/38915
http://secunia.com/advisories/38314
http://secunia.com/advisories/37998
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11822
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10255
http://marc.info/?l=bugtraq&m=126953289726317&w=2
http://marc.info/?l=bugtraq&m=126953289726317&w=2
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
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