VAR-200011-0006

Vulnerability from variot - Updated: 2025-04-03 22:11

Vulnerability in Microsoft Windows NT 4.0 allows remote attackers to cause a denial of service in IIS by sending it a series of malformed requests which cause INETINFO.EXE to fail, aka the "Invalid URL" vulnerability. IIS 4.0 is subject to a denial of service due to the mishandling of URL requests. This issue is a result of a flaw in Windows NT 4.0. If a remote user requests a specifically malformed URL, an invalid memory request is made by inetinfo.exe. The end result is that all system resources are used until inetinfo.exe is eventually automatically shut down by NT. A restart of the service is required in order to gain normal functionality

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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