Symantec Web Gateway Cross Site Scripting

vendor:

Web Gateway

by:

B00y@

8,3

CVSS

HIGH

Cross Site Scripting

CWE

Product Name: Web Gateway

Affected Version From: 5.0

Affected Version To: 5.0

Patch Exists: NO

Related CWE: N/A

CPE: a:symantec:web_gateway

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows XP, IE 8.0 and Firefox 11.0

2012

Symantec Web Gateway Cross Site Scripting

Symantec Web Gateway is susceptible to cross site scripting when scanning downloaded files due to lack of proper sanitizing of the file length. The affected value is the (l=) parameter that identifies the length of the file been scanned and it fails to validate whenever the values are string or integer taking both of them.

Mitigation:

Validate the file length parameter before processing it.

Source

Exploit-DB raw data:

# Exploit Title: Symantec Web Gateway Cross Site Scripting
# Google Dork: N/A
# Date: 05/02/2012
# Author: B00y@
# Software Link: http://www.symantec.com/
# Version: 5.0
# Tested on: Windows XP
# Browser: IE 8.0 and Firefox 11.0


Symantec Web Gateway is susceptible to cross site scripting when scanning downloaded files due to lack of proper sanitizing of the file length. The affected value is the (l=) parameter that identifies the length of the file been scanned and it fails to validate whenever the values are string or integer taking both of them.

This vulnerability was tested with Symantec Web Gateway fully updated to the last version, older versions may be affected as well.


Examples:

l=283883'<img src="myimage.jpg">

l=<img src="myimage.jpg">

POC:

http://10.0.0.2/spywall/timer.php?d=4099&l=22665'<img src="myimage.jpg">&profile=40

Vendor Contacted: March 09, 2012
Vendor Responded: Releasing update May 11, 2012
Current Status: Not Fixed.