F5 FirePass 1000 Input Validation Flaw in 'my.acctab.php3' Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1017076
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SecurityTracker URL: http://securitytracker.com/id?1017076
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CVE Reference: CVE-2006-5416
(Links to External Site)
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Updated: Jun 3 2008
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Original Entry Date: Oct 17 2006
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): F5 FirePass 1000 version 5.5; possibly earlier versions
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Description: A vulnerability was reported in F5 FirePass 1000. A remote user can conduct cross-site scripting attacks.
The 'my.acctab.php3' script does not properly filter HTML code from user-supplied input in the 'sid' parameter before displaying
the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting
code to be executed by the target user's browser. The code will originate from the F5 FirePass device and will run in the security
context of that device. As a result, the code will be able to access the target user's cookies (including authentication cookies),
if any, associated with the device, access data recently submitted by the target user via web form to the device, or take actions
on the device acting as the target user.
Richard Brain of ProCheckUp reported this vulnerability.
The original advisory is
available at:
http://www.procheckup.com/Vulner_PR0603b.php
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Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with the F5 FirePass device,
access data recently submitted by the target user via web form to the device, or take actions on the device acting as the target
user.
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Solution: The vendor has issued a fixed version (6.0).
The vendor also plans to issue a fix in the future release of version 5.52.
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Vendor URL: www.f5.com/products/FirePass/ (Links to External Site)
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Cause: Input validation error
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Reported By: research@procheckup.com
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Message History:
None.
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Source Message Contents
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Date: 17 Oct 2006 15:34:53 -0000
From: research@procheckup.com
Subject: PR06-03b: F5 Firepass 1000 SSL VPN version 5.5 vulnerable to
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The F5 FirePass 1000 SSL VPN application version 5.5, and possibly earlier versions, is vulnerable to
Cross-Site Scripting
This advisory has been published following consultation with UK NISCC <http://www.niscc.gov.uk>
The updated version of this advisory can be found on the following link http://www.procheckup.com/Vul
ner_PR0603b.php
Date Found: 23rd January 2006
Date Public: 27th September 2006
Vulnerable: Version 5.5 and possibly previous versions.
Severity: Medium/High
Authors: Richard Brain [richard.brain [at] procheckup.com]
CVE Candidate: Not assigned
Description:
The F5 FirePass 1000 SSL VPN appliance is vulnerable to Cross-Site Scripting within the sid" fie
ld of the "my.acctab.php3" program.
Consequences:
An attacker may be able to cause the execution of malicious script code in the browser of a user who
clicks on a link to the F5 FirePass
SSL VPN appliance. This type of attack can result in the defacement of a site, or the redirection of
confidential information to
unauthorised third
parties.
Fix:
This report was investigated by F5 under the following support ticket CR64237.
This flaw has been fixed in version 6.0 of FirePass, and will be fixed in the 5.52 version of FirePas
s.
Vendor:
http://www.f5.com/
Legal:
Copyright 2006 ProCheckUp Ltd. All rights reserved.
Permission is granted for copying and circulating this Bulletin to the Internet community for the pur
pose of alerting them to problems,
if and only if the Bulletin is not changed or edited in any way, is attributed to ProCheckUp indicat
ing this web page URL, and provided
such reproduction and/or distribution is performed for non-commercial purposes.
Any other use of this information is prohibited. ProCheckUp is not liable for any misuse of this info
rmation by any third party.
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