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Microsoft JScript Memory Corruption Vulnerability
Secunia Advisory: SA20620
Release Date: 2006-06-13
Last Update: 2006-06-15
Popularity: 11,888 views

Critical:
Highly critical
Impact: System access
Where: From remote
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

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CVE reference:CVE-2006-1313


Description:
A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a memory corruption error in Microsoft JScript when releasing certain objects. This can be exploited to execute arbitrary code when a user views a malicious web site or opens an e-mail message containing specially crafted JScript.

Solution:
Apply patches:

Microsoft Windows 2000 SP4 with JScript 5.1:
http://www.microsoft.com/downloads/de...=23E79ABD-B1FE-4734-B3D3-FB53D286C06F

Microsoft Windows 2000 SP4 with JScript 5.6 or 5.5:
http://www.microsoft.com/downloads/de...=16DD21A1-C4EE-4ECA-8B80-7BD1DFEFB4F8

Microsoft Windows XP SP1 and SP2 with JScript 5.6:
http://www.microsoft.com/downloads/de...=D28C02BE-CAC3-4579-9B93-939FD5D3CDE6

Microsoft Windows XP Professional x64 Edition with JScript 5.6:
http://www.microsoft.com/downloads/de...=2EE3DD28-7167-4A2C-941D-A236F8CC5C4B

Microsoft Windows Server 2003 (with or without SP1) with JScript 5.6:
http://www.microsoft.com/downloads/de...=8963AE25-2230-47FE-AECE-49D7457D96D4

Microsoft Windows Server 2003 for Itanium-based Systems (with or without SP1)
with JScript 5.6:
http://www.microsoft.com/downloads/de...=7764C7DC-A7E4-4B91-95C2-EF7D4DCE0A00

Microsoft Windows Server 2003 x64 Edition with JScript 5.6:
http://www.microsoft.com/downloads/de...=BCF7AB2E-EE1C-45F9-8B1C-4B1CEF683082

Windows 98, Windows 98 SE, and Windows ME with JScript 5.6:
Patches are available via the Microsoft Update web site or the Windows Update web site.

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2006-06-15: Added link to US-CERT vulnerability note.

Original Advisory:
MS06-023 (KB917344):
http://www.microsoft.com/technet/security/Bulletin/MS06-023.mspx

Other References:
US-CERT VU#390044:
http://www.kb.cert.org/vuls/id/390044


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