Windows DHCP Client Service Buffer Overflow Vulnerability - Secunia Advisories - Vulnerability Intelligence

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Windows DHCP Client Service Buffer Overflow Vulnerability
Secunia Advisory:	SA21010	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-07-11
Last Update:	2006-08-30
Popularity:	13,272 views

Critical:	Moderately critical
Impact:	System access
Where:	From local network
Solution Status:	Vendor Patch

OS:	Microsoft Windows 2000 Advanced Server Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Professional Microsoft Windows 2000 Server Microsoft Windows Server 2003 Datacenter Edition Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 Web Edition Microsoft Windows XP Home Edition Microsoft Windows XP Professional

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-2372

Description: Cybsec Security Systems has reported a vulnerability in Microsoft Windows, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to a boundary error in the DHCP Client service (dhcpcsvc.dll) when processing DHCP responses. This can be exploited to cause a stack-based buffer overflow by sending a specially crafted DHCP response to the client. Successful exploitation allows execution of arbitrary code. Solution: Apply patches. Microsoft Windows 2000 SP4: http://www.microsoft.com/downloads/de...=7a04fae4-6914-4ffa-b0ec-61b912d47873 Microsoft Windows XP SP1 / SP2: http://www.microsoft.com/downloads/de...=bf08cc28-b359-4b27-99b2-342f832cdecc Microsoft Windows XP Professional x64 Edition: http://www.microsoft.com/downloads/de...=49b0da03-73a7-462a-9dc2-2eb5405e2505 Microsoft Windows Server 2003 (with or without SP1) http://www.microsoft.com/downloads/de...=2978c3d2-59e3-4dd4-8323-b1b2f9dfa7a5 Microsoft Windows Server 2003 for Itanium-based systems (with or without SP1): http://www.microsoft.com/downloads/de...=01e7bbbd-dfb6-4524-aa35-39323b210aa4 Microsoft Windows Server 2003 x64 Edition: http://www.microsoft.com/downloads/de...=d68730a7-bb7c-477a-a2a4-991629fc1402 Provided and/or discovered by: Mariano Nuñez Di Croce, Cybsec Security Systems. Changelog: 2006-07-12: Added link to US-CERT vulnerability note. Added additional information from Cybsec Security Systems. 2006-08-30: Added additional information. Original Advisory: MS06-036 (KB914388): http://www.microsoft.com/technet/security/Bulletin/MS06-036.mspx Cybsec: http://www.cybsec.com/vuln/CYBSEC-Sec...nt_Service_Remote_Buffer_Overflow.pdf Other References: US-CERT VU#257164: http://www.kb.cert.org/vuls/id/257164

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