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.
Platforms Affected:
- Cisco, ACS for Windows
- Cisco, ACS Solution Engine
- Cisco, User Changeable Password 4.1
Remedy:
Refer to cisco-sa-20080312-ucp for patch, upgrade or suggested workaround information. See References.
Consequences:
Gain Access
References:
- cisco-sa-20080312-ucp, Cisco Secure Access Control Server for Windows User-Changeable Password Vulnerabilities at http://www.cisco.com/warp/public/707/cisco-sa-20080312-ucp.shtml .
- Recurity Labs GmbH, 12.03.2008, Cisco Secure Access Control Server (ACS) for Windows User-Changeable Password (UCP) application at http://www.recurity-labs.com/content/pub/RecurityLabs_Cisco_ACS_UCP_advisory.txt.
- 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.
- FrSIRT/ADV-2008-0868: Cisco User-Changeable Password Remote Buffer Overflow Vulnerabilities
- 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
Reported:
Mar 12, 2008
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