4.3med

CVE-2008-3843

Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly dete…

Published 18 y ago · modified 4 mo ago · JSON

CVSS
4.3
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
22.0%
percentile 98%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

21.99% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

  • securityfocus.com /archive/1/496071/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/44743 · vdb-entry, x_refsource_XF, x_transferred
  • procheckup.com /PDFs/bypassing-dot-NET-ValidateRequest.pdf · x_refsource_MISC, x_transferred
  • securityreason.com /securityalert/4193 · third-party-advisory, x_refsource_SREASON, x_transferred
  • securityfocus.com /archive/1/495667/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • procheckup.com /Vulnerability_PR08-20.php · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.