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Vulnerability Note VU#951555Microsoft Windows Universal Plug and Play (UPNP) vulnerable to buffer overflow via malformed advertisement packetsOverviewA buffer overflow in Universal Plug and Play (UPnP) service on Microsoft Windows XP, Microsoft Windows ME, and Microsoft Windows 98 permits an intruder to run arbitrary code on vulnerable systems.I. DescriptionUniversal Plug and Play (UPnP) is a system to allow network devices to operate together. A vulnerability in the Microsoft Windows XP and Windows ME implementation of UPnP may permit an intruder to execute arbitrary code with SYSTEM privileges. Additionally, Windows 98 and Windows 98SE may be affected if you have installed the Windows XP Internet Connection Sharing client. These vulnerabilities were discovered by Eeye Digital Security. For more information, seehttp://www.eeye.com/html/Research/Advisories/AD20011220.html II. ImpactAn intruder can run arbitrary code in the local SYSTEM security context.III. SolutionApply a patch as described in MS01-059.
References
Our thanks to Eeye Digital Security, who discovered the problem, and Microsoft for the information contained in their bulletins. This document was written by Shawn Hernan.
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