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Secunia Security Advisory 14010

Secunia Security Advisory 14010
Posted Jan 28, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been reported in Novell iChain, which potentially can be exploited by malicious people to bypass certain security restrictions.

tags | advisory
SHA-256 | a43a206d2e0759be7da880f6f1a67101b0d22d3bd6ac6a1b75038e36eb2554ab

Secunia Security Advisory 14010

Change Mirror Download

TITLE:
iChain Mutual Authentication Unauthorised Resource Access

SECUNIA ADVISORY ID:
SA14010

VERIFY ADVISORY:
http://secunia.com/advisories/14010/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From local network

SOFTWARE:
Novell iChain 2.x
http://secunia.com/product/1423/

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

It is possible to gain unauthorised access to protected resources
accelerated by an iChain server using SSL Certificate Mutual
Authentication by creating a client certificate signed by any iChain
server's ICS_TREE CA (Certificate Authority).

Successful exploitation requires:
1) Knowledge of an email address or piece of information from the
client certificate that matches an attribute from the eDirectory LDAP
database authenticated against.
2) Certificate Mapping matches an internal user.
3) Accelerator uses auto-created SSL certificate, internally signed
SSL certificate, or externally signed SSL certificate but ICS_TREE
Selfsigned Certificate has been imported to iChains Trusted Root
store.
4) The ability to create a certificate that is signed by a CA in the
iChain's Trusted Root store.

SOLUTION:
The vendor recommends the following when setting iChain up for mutual
authentication:
* Create externally signed certificates for any accelerator using
mutual authentication.
* Never import the ICS_TREE CA Selfsigned Certificate to iChain's
Trusted Root store.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://support.novell.com/cgi-bin/search/searchtid.cgi?/10096315.htm

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

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.

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

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