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Category:   Application (Generic)  >   Microsoft JScript Vendors:   Microsoft
Microsoft JScript Memory Corruption Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016283
SecurityTracker URL:  http://securitytracker.com/id/1016283
CVE Reference:   CVE-2006-1313   (Links to External Site)
Date:  Jun 13 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.1, 5.5, 5.6
Description:   A vulnerability was reported in Microsoft JScript. A remote user can cause arbitrary code to be executed on the target user's system.

Microsoft JScript may release objects early, resulting in memory corruption errors. A remote user can create a specially crafted JScript that, when loaded by the target user, will trigger a buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user. This can be exploited via web pages and HTML-based e-mail.

Impact:   A remote user can create HTML that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued the following fixes:

Microsoft JScript 5.1 on Microsoft Windows 2000 Service Pack 4:

http://www.microsoft.com/downloads/details.aspx?FamilyId=23E79ABD-B1FE-4734-B3D3-FB53D286C06F

Microsoft JScript 5.6 and 5.5 when installed on Windows 2000 Service Pack 4:

http://www.microsoft.com/downloads/details.aspx?FamilyId=16DD21A1-C4EE-4ECA-8B80-7BD1DFEFB4F8

Microsoft JScript 5.6 on Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyId=D28C02BE-CAC3-4579-9B93-939FD5D3CDE6

Microsoft JScript 5.6 on Microsoft Windows XP Professional x64 Edition:

http://www.microsoft.com/downloads/details.aspx?FamilyId=2EE3DD28-7167-4A2C-941D-A236F8CC5C4B

Microsoft JScript 5.6 on Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1:

http://www.microsoft.com/downloads/details.aspx?FamilyId=8963AE25-2230-47FE-AECE-49D7457D96D4

Microsoft JScript 5.6 on Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems:

http://www.microsoft.com/downloads/details.aspx?FamilyId=7764C7DC-A7E4-4B91-95C2-EF7D4DCE0A00

Microsoft JScript 5.6 on Microsoft Windows Server 2003 x64 Edition:

http://www.microsoft.com/downloads/details.aspx?FamilyId=BCF7AB2E-EE1C-45F9-8B1C-4B1CEF683082

A restart may be required.

The vendor's advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms06-023.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms06-023.mspx (Links to External Site)
Cause:   State error
Underlying OS:  Windows (98), Windows (2000), Windows (2003), Windows (XP)

Message History:   None.


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