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

Secunia Network Software Inspector 2.0 (NSI) - Public Beta

The Public Beta has ended. Thanks to all that participated.

Learn more:
http://secunia.com/network_software_inspector_2/

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

TITLE:
Stunnel OCSP Revoked Certificate Security Issue

SECUNIA ADVISORY ID:
SA30335

VERIFY ADVISORY:
http://secunia.com/advisories/30335/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

REVISION:
1.1 originally posted 2008-05-22

SOFTWARE:
Stunnel 4.x
http://secunia.com/product/960/

DESCRIPTION:
A security issue has been reported in Stunnel, which can be exploited
by malicious people to bypass certain security restrictions.

The security issue is caused due to an unspecified error in the OCSP
functionality and can lead to a revoked certificate being
successfully authenticated.

The security issue reported in versions prior to 4.24

SOLUTION:
Update to version 4.24.

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

CHANGELOG:
2008-05-26: Added CVE reference.

ORIGINAL ADVISORY:
http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000035.html

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

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/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/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
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

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