Websense Enterprise Blocked Sites Cross-Site Scripting Vulnerability

BID:9149

Info

Websense Enterprise Blocked Sites Cross-Site Scripting Vulnerability

Bugtraq ID: 9149
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Dec 03 2003 12:00AM
Updated: Dec 03 2003 12:00AM
Credit: Discovery is credited to "Mr. P.Taylor" <[email protected]>.
Vulnerable: Websense Websense Enterprise 5.1
Websense Websense Enterprise 5.0 1
Websense Websense Enterprise 4.4
- Microsoft Windows 2000 Advanced Server SP2
 - Microsoft Windows 2000 Advanced Server SP1
 - Microsoft Windows 2000 Datacenter Server SP2
 - Microsoft Windows 2000 Datacenter Server SP1
 - Microsoft Windows 2000 Professional SP2
 - Microsoft Windows 2000 Professional SP1
 - Microsoft Windows 2000 Server SP2
 - Microsoft Windows 2000 Server SP1
 - Microsoft Windows 2000 Terminal Services SP2
 - Microsoft Windows 2000 Terminal Services SP1
 - Microsoft Windows NT Enterprise Server 4.0 SP6a
 - Microsoft Windows NT Enterprise Server 4.0 SP6
 - Microsoft Windows NT Enterprise Server 4.0 SP5
 - Microsoft Windows NT Server 4.0 SP6a
 - Microsoft Windows NT Server 4.0 SP6
 - Microsoft Windows NT Server 4.0 SP5
 - Microsoft Windows NT Terminal Server 4.0 SP6
 - Microsoft Windows NT Terminal Server 4.0 SP5
 - Microsoft Windows NT Workstation 4.0 SP6a
 - Microsoft Windows NT Workstation 4.0 SP6
 - Microsoft Windows NT Workstation 4.0 SP5
 - Redhat Linux 7.1
- Redhat Linux 6.2
 - Sun Solaris 2.8
 - Sun Solaris 2.7
 - Sun Solaris 2.6
 Websense Websense Enterprise 4.3
Not Vulnerable:

Discussion

Websense Enterprise Blocked Sites Cross-Site Scripting Vulnerability

Websense Enterprise displays error pages for blocked sites without sufficiently sanitizing HTML and script code from the blocked site URI. This could allow for cross-site scripting attacks if a victim user visits a link to a blocked site that includes hostile HTML and script code. Exploitation could permit theft of cookie-based authentication credentials or other consequences.

Exploit / POC

Websense Enterprise Blocked Sites Cross-Site Scripting Vulnerability

The following example was provided:

http://[BlockedSite]?<SCRIPT>alert('hello')</SCRIPT>

Solution / Fix

Websense Enterprise Blocked Sites Cross-Site Scripting Vulnerability

Solution:
The vendor has produced patches for 5.01 and 5.1 on Windows/Solaris/Linux platforms. Further details on how to apply fixes are available in the attached Websense Knowledgebase Reference Number: 1061 article.


Websense Websense Enterprise 5.0 1

Websense Websense Enterprise 5.1

References

Websense Enterprise Blocked Sites Cross-Site Scripting Vulnerability

References:

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