Microsoft Windows Workstation Service Buffer Overflow Vulnerability - Secunia Advisories - Vulnerability Intelligence

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Microsoft Windows Workstation Service Buffer Overflow Vulnerability
Secunia Advisory:	SA22883	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-11-14
Last Update:	2006-11-16
Popularity:	13,700 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 XP Home Edition Microsoft Windows XP Professional

Binary Analysis:	BA13 :: Available for 1 Credit

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-4691

Description: eEye Digital Security has reported a vulnerability in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to a boundary error in the Workstation Service (wkssvc.dll) within the "NetpManageIPCConnect()" function. This can be exploited to cause a buffer overflow via a specially crafted message sent to the system. This can e.g. be exploited via a NetrJoinDomain2 RPC call with an overly long MachineName in the second argument. Successful exploitation allows execution of arbitrary code, but requires Administrator privileges on Windows XP SP2. Solution: Apply patches. Microsoft Windows 2000 SP4: http://www.microsoft.com/downloads/de...=3ad5c57d-d3f6-46a1-8dee-3e16d0977f80 Microsoft Windows XP SP2: http://www.microsoft.com/downloads/de...=f4c8e767-4ed2-4e36-aa43-612f3017efc7 Provided and/or discovered by: JeongWook Matt Oh, eEye Digital Security. Changelog: 2006-11-15: Added additional information from eEye Digital Security. 2006-11-16: Added link to US-CERT. Original Advisory: MS06-070 (KB924270): http://www.microsoft.com/technet/security/Bulletin/MS06-070.mspx eEye Digital Security: http://research.eeye.com/html/advisories/published/AD20061114.html Other References: US-CERT VU#778036: http://www.kb.cert.org/vuls/id/778036

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