From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Feb 19 2009 - 10:24:05 CST

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

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

Did you know? Our assessment and impact rating along with detailed
information such as exploit code availability, or if an updated patch
is released by the vendor, is not part of this mailing-list?
        
Click here to learn more about our commercial solutions:
http://secunia.com/advisories/business_solutions/
        
Click here to trial our solutions:
http://secunia.com/advisories/try_vi/

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

TITLE:
Ruby "OCSP_basic_verify()" Certificate Validation Vulnerability

SECUNIA ADVISORY ID:
SA33750

VERIFY ADVISORY:
http://secunia.com/advisories/33750/

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

The vulnerability is caused due to Ruby incorrectly checking the
return value of the "OCSP_basic_verify()" OpenSSL function and can be
exploited to trick an application into accepting an invalid X.509
certificate.

SOLUTION:
Fixed in the development repository.
http://redmine.ruby-lang.org/repositories/revision/ruby-19?rev=22440

PROVIDED AND/OR DISCOVERED BY:
Reported by Kurt Roeckx in a Debian bug report.

ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528
http://redmine.ruby-lang.org/issues/show/1091

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

About:
This Advisory was delivered by Secunia as a free service to help
everybody 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

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

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]