Cisco Secure Access Control Server (ACS) for Windows User-Changeable Password (UCP) utility CSuserCGI.exe cross-site scripting
| cisco-acs-ucp-csusercgi-xss (41156) |  Medium Risk |
Description:
The Cisco Secure Access Control Server (ACS) for Windows User-Changeable Password (UCP) utility is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by CSuserCGI.exe. A remote attacker could exploit this vulnerability using the Help 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:
Refer to cisco-sa-20080312-ucp for patch, upgrade or suggested workaround information. See References.
References:
- cisco-sa-20080312-ucp: Cisco Secure Access Control Server for Windows User-Changeable Password Vulnerabilities.
- Recurity Labs GmbH, 12.03.2008: Cisco Secure Access Control Server (ACS) for Windows User-Changeable Password (UCP) application.
- BID-28222: Cisco User-Changeable Password (UCP) 'CSuserCGI.exe' Multiple Remote Vulnerabilities
- CVE-2008-0533: Multiple cross-site scripting (XSS) vulnerabilities in securecgi-bin/CSuserCGI.exe in User-Changeable Password (UCP) before 4.2 in Cisco Secure Access Control Server (ACS) for Windows and ACS Solution Engine allow remote attackers to inject arbitrary web script or HTML via an argument located immediately after the Help argument, and possibly unspecified other vectors.
- SA29351: Cisco User-Changeable Password Multiple Vulnerabilities
- SECTRACK ID: 1019607: Cisco Secure Access Control Server Input Validation Hole in UCP Pages Permits Cross-Site Scripting Attacks
- VUPEN/ADV-2008-0868: Cisco User-Changeable Password Remote Buffer Overflow Vulnerabilities
Platforms Affected:
- Cisco ACS for Windows
- Cisco ACS Solution Engine
- Cisco User Changeable Password 4.1
Reported:
Mar 12, 2008
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
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.