OSEC

Neohapsis is currently accepting applications for employment. For more information, please visit our website www.neohapsis.com or email hr@neohapsis.com
[SA37998] Sendmail SSL Certificate NULL Character Spoofing Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Dec 31 2009 - 17:57:10 CST

----------------------------------------------------------------------

Follow Secunia on Twitter
http://twitter.com/secunia

----------------------------------------------------------------------

TITLE:
Sendmail SSL Certificate NULL Character Spoofing Vulnerability

SECUNIA ADVISORY ID:
SA37998

VERIFY ADVISORY:
http://secunia.com/advisories/37998/

DESCRIPTION:
A vulnerability has been reported in Sendmail, which can be exploited
by malicious people to conduct spoofing attacks.

The vulnerability is caused due to an error when processing
certificate fields containing NULL ('\0') characters. This can be
exploited to e.g. conduct Man-in-the-Middle (MitM) attacks via
specially crafted certificates.

This is related to vulnerability #2 in:
SA36093

The vulnerability is reported in versions prior to 8.14.4.

SOLUTION:
Update to version 8.14.4.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.sendmail.org/releases/8.14.4

OTHER REFERENCES:
SA36093:
http://secunia.com/advisories/36093/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/

Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories

----------------------------------------------------------------------