Vulnerability Description
Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a query string containing a "<~/" (less-than tilde slash) sequence followed by a crafted STYLE element.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows-Nt | 2003 |
| Microsoft | Windows 2000 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
| Microsoft | .Net Framework | 1.0 |
Related Weaknesses (CWE)
References
- http://securityreason.com/securityalert/4193
- http://www.procheckup.com/PDFs/bypassing-dot-NET-ValidateRequest.pdf
- http://www.procheckup.com/Vulnerability_PR08-20.php
- http://www.securityfocus.com/archive/1/495667/100/0/threaded
- http://www.securityfocus.com/archive/1/496071/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44743
- http://securityreason.com/securityalert/4193
- http://www.procheckup.com/PDFs/bypassing-dot-NET-ValidateRequest.pdf
- http://www.procheckup.com/Vulnerability_PR08-20.php
- http://www.securityfocus.com/archive/1/495667/100/0/threaded
- http://www.securityfocus.com/archive/1/496071/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44743
FAQ
What is CVE-2008-3843?
CVE-2008-3843 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to c...
How severe is CVE-2008-3843?
CVE-2008-3843 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2008-3843?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows-Nt, Microsoft Windows 2000, Microsoft Windows Vista, Microsoft Windows Xp, Microsoft .Net Framework.