Multiple Citrix Products Session Reliability Server Security Bypass Vulnerability

BID:24116

Info

Multiple Citrix Products Session Reliability Server Security Bypass Vulnerability

Bugtraq ID: 24116
Class: Access Validation Error
CVE:
Remote: Yes
Local: No
Published: May 23 2007 12:00AM
Updated: May 23 2007 10:47PM
Credit: Andrew Christensen of FortConsult is credited with the discovery of this issue.
Vulnerable: Citrix Presentation Server 4.0
Citrix MetaFrame Presentation Server 3.0
Citrix Access Essentials 1.5
Citrix Access Essentials 1.0
Not Vulnerable:

Discussion

Multiple Citrix Products Session Reliability Server Security Bypass Vulnerability

Multiple Citrix products are prone to a security-bypass vulnerability because they fail to adequately enforce network-security policies.

An attacker can exploit this issue to gain unauthorized access to otherwise restricted ports on a vulnerable computer.

NOTE: This issue affects only Citrix products that have Session Reliability enabled.

Exploit / POC

Multiple Citrix Products Session Reliability Server Security Bypass Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:[email protected].

Solution / Fix

Multiple Citrix Products Session Reliability Server Security Bypass Vulnerability

Solution:
Citrix has released an advisory and hotfixes to address this issue. Please see the references for more information.


Citrix Access Essentials 1.5

Citrix Access Essentials 1.0

Citrix MetaFrame Presentation Server 3.0

References

Multiple Citrix Products Session Reliability Server Security Bypass Vulnerability

References:
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