F5 Networks FirePass 4100 SSL VPN download_plugin.php3 cross-site scripting
| firepass-downloadplugin-xss (38439) |  Medium Risk |
Description:
F5 Networks FirePass 4100 SSL VPN is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the download_plugin.php3 script. A remote attacker could exploit this vulnerability using the backurl parameter in a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
*CVSS:
| Base Score: | 4.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.7 |
| Exploitability: | High |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply the hotfix SOL7498 (available for current customers), as listed on the F5 Networks, Inc. Web site. See References.
References:
- F5 Networks, Inc. Web site: SOL7498.
- PR07-13: Cross-site Scripting / HTML injection on F5 FirePass 4100 SSL VPN 'download_plugin.php3' server-side script .
- BID-26412: F5 FirePass 4100 SSL VPN Download_Plugin.PHP3 Cross-Site Scripting Vulnerability
- BID-26661: F5 Networks FirePass 4100 SSL VPN Download_Plugin.PHP3 Cross-Site Scripting Vulnerability
- CVE-2007-5979: Cross-site scripting (XSS) vulnerability in download_plugin.php3 in F5 Firepass 4100 SSL VPN 5.4 through 5.5.2 and 6.0 through 6.0.1 allows remote attackers to inject arbitrary web script or HTML via the backurl parameter.
- SA27647: F5 Firepass 4100 SSL VPN "backurl" Cross-Site Scripting Vulnerability
- SECTRACK ID: 1018937: F5 FirePass Input Validation Hole in 'download_plugin.php3' Permits Cross-Site Scripting Attacks
- VUPEN/ADV-2007-3847: F5 FirePass backurl Parameter Cross Site Scripting Vulnerability
Platforms Affected:
- F5 FirePass 4100 5.4
- F5 FirePass 4100 5.4.1
- F5 FirePass 4100 5.4.2
- F5 FirePass 4100 5.4.3
- F5 FirePass 4100 5.4.4
- F5 FirePass 4100 5.4.5
- F5 FirePass 4100 5.4.6
- F5 FirePass 4100 5.4.7
- F5 FirePass 4100 5.4.8
- F5 FirePass 4100 5.4.9
- F5 FirePass 4100 5.5.0
- F5 FirePass 4100 5.5.1
- F5 FirePass 4100 6.0
- F5 FirePass 4100 6.0.1
Reported:
Nov 12, 2007
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.