J-Security Center

Title: Microsoft NT 4.0 and IIS 4.0 Invalid URL Request DoS Vulnerability

Severity: MODERATE

Description:

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.

Affected Products:

  • Cisco Building Broadband Service Manager 5.0.0
  • Cisco Call Manager 1.0.0
  • Cisco Call Manager 2.0.0
  • Cisco Call Manager 3.0.0
  • Cisco ICS 7750 0.0.0
  • Cisco IP/VC 3540 Video Rate Matching Module 0.0.0
  • Cisco Unity Server 2.0.0
  • Cisco Unity Server 2.2.0
  • Cisco Unity Server 2.3.0
  • Cisco Unity Server 2.4.0
  • Cisco uOne 1.0.0
  • Cisco uOne 2.0.0
  • Cisco uOne 3.0.0
  • Cisco uOne 4.0.0
  • Microsoft BackOffice 4.0.0
  • Microsoft BackOffice 4.5.0
  • Microsoft IIS 4.0.0
  • Microsoft Windows NT 4.0
  • Microsoft Windows NT 4.0 Option Pack
  • Microsoft Windows NT 4.0 alpha
  • Microsoft Windows NT Enterprise Server 4.0
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Terminal Server 4.0
  • Microsoft Windows NT Workstation 4.0

References:

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