CERT-In Vulnerability Note CIVN-2008-125
Multiple Remote Code Execution Vulnerabilities in Microsoft Internet Explorer
Original Issue Date:
August 14, 2008
Severity Rating:
High
Systems Affected
- Microsoft Windows XP Service Pack 3
- Microsoft Windows XP Professional x64 Edition and with Service Pack 2
- Microsoft Windows 2000 Service Pack 4
- Microsoft Windows Server 2003 Service Pack 1 and with Service Pack 2
- Microsoft Windows Server 2003 x64 Edition and width Service Pack 2
- Microsoft Windows Server 2003 with SP1 for Itanium-based Systems and with SP2.
- Microsoft Windows XP Service Pack 2 and Service Pack 3
- Microsoft Windows XP Professional x64 Edition and with Service Pack 2
- Microsoft Windows Server 2003 Service Pack 1 and service Pack 2
- Microsoft Windows Server 2003 x64 Edition and Service Pack 2
- Microsoft Windows Server 2003 with SP1 for Itanium-based Systems and with SP2.
- Microsoft Windows Vista and Windows Vista Service Pack 1
- Microsoft Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
- Microsoft Windows Server 2008 for 32-bit Systems
- Microsoft Windows Server 2008 for x64-based Systems
- Microsoft Windows Server 2008 for Itanium-based Systems
Components Affected
- Internet Explorer 5.01 and
- Internet Explorer 6 and with Service Pack 1
- Internet Explorer 7
Overview
Multiple Memory corruption vulnerabilities have been reported in Microsoft Internet Explorer that could be exploited by a remote attacker to take the control of the affected system in the context of logged in user.
Description
1. HTML Objects Memory Corruption Vulnerability
(CVE-2008-2254)
A remote code execution vulnerability exists in Internet Explorer while accessing uninitialized memory in certain situations.
2. HTML Objects Memory Corruption Vulnerability
(CVE-2008-2255)
A remote code execution vulnerability exists in Internet Explorer while accessing uninitialized memory in certain situations.
3. HTML Uninitialized Memory Corruption Vulnerability
(CVE-2008-2256)
A remote code execution vulnerability exists in the way Internet Explorer while accessing an object that has not been correctly initialized or that has been deleted.
4. HTML Objects Memory Corruption Vulnerability
(CVE-2008-2257 , CVE-2008-2258)
A remote code execution vulnerability exists in Internet Explorer while handling document objects. When an object is appended in a specific order and particular functions are performed
on these objects memory corruption occurs.
5. HTML Component Handling Vulnerability (CVE-2008-2259)
A remote code execution vulnerability exists in Internet Explorer due to improper validations in print preview.
An attacker could exploit these vulnerabilities by constructing a specially crafted Web pages and entice user to open the same .Opening this file may corrupt system memory resulting in execution of arbitrary code. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user.
Workarounds
- Configure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone.
- Set Internet and Local intranet security zone settings to "High" to prompt before running ActiveX Controls and Active Scripting in these zones.
- Read e-mail messages in plain text format using Microsoft Outlook 2002 or a later version, or Outlook Express 6 SP1 or a later version, to protect from the HTML e-mail attack vector.
Solution
Apply appropriate patches as mentioned in Microsoft Security Bulletin MS08-045
Vendor Information
Microsoft
http://www.microsoft.com/technet/security/Bulletin/MS08-045.mspx References
Zero-Day
http://www.zerodayinitiative.com/advisories/ZDI-08-051/
FrSIRT
http://www.frsirt.com/english/advisories/2008/2349
Secunia
http://secunia.com/advisories/31375
SecurityFocus
http://www.securityfocus.com/bid/28136/info
SecurityTracker
http://securitytracker.com/alerts/2008/Aug/1020674.html
CVE Name
CVE-2008-2254
CVE-2008-2255
CVE-2008-2256
CVE-2008-2257
CVE-2008-2258
CVE-2008-2259
Disclaimer
The information provided herein is on "as is" basis, without warranty of any kind.
Contact Information

Phone: +91-11-24368572
Postal address
Indian Computer Emergency Response Team (CERT-In)
Ministry of Communications and Information Technology
Electronics Niketan
6, C.G.O. Complex
New Delhi-110 003

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