Microsoft ISA Server and Microsoft Forefront TMG cookieauth.dll cross-site scripting
| isa-tmg-cookieauthdll-xss (49567) |  Medium Risk |
Description:
Microsoft Internet Security and Acceleration (ISA) Server and Microsoft Forefront Threat Management Gateway (TMG) are vulnerable to cross-site scripting in the cookieauth.dll component, caused by improper validation of user-supplied input in the HTTP stream. A remote attacker could exploit this vulnerability using 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 appropriate patch for your system, as listed in Microsoft Security Bulletin MS09-016. See References.
References:
- Microsoft Security Bulletin MS09-016: Vulnerability in Microsoft ISA Server and Forefront Threat Management Gateway (Medium Business Edition) Could Cause Denial of Service (KB961759).
- ASA-2009-136: MS09-016 Vulnerabilities in Microsoft ISA Server and Forefront Threat Management Gateway (Medium Business Edition) Could Cause Denial of Service (961759)
- BID-34416: Microsoft ISA Server and Forefront Threat Management Gateway Cross-Site Scripting Vulnerability
- CVE-2009-0237: Cross-site scripting (XSS) vulnerability in cookieauth.dll in the HTML forms authentication component in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2006, 2006 Supportability Update, and 2006 SP1; allows remote attackers to inject arbitrary web script or HTML via authentication input to this component, aka Cross-Site Scripting Vulnerability.
- SA34687: Microsoft ISA Server / Forefront Threat Management Gateway Two Vulnerabilities
- SECTRACK ID: 1022046: Microsoft ISA Server Input Validation Flaw in 'cookieauth.dll' Permits Cross-Site Scripting Attacks
- VUPEN/ADV-2009-1030: Microsoft ISA Server and Forefront TMG MBE Vulnerabilities (MS09-016)
Platforms Affected:
- Microsoft Forefront Threat Management Gateway Medium Business
- Microsoft ISA Server 2006 Supportability Update
- Microsoft ISA Server 2006 Enterprise
- Microsoft ISA Server 2006 SP1 Enterprise
- Microsoft ISA Server 2006 Standard
- Microsoft ISA Server 2006 SP1 Standard
Reported:
Apr 14, 2009
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For corrections or additions please email xforce@iss.net
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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.