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Internet Explorer Two Vulnerabilities
Secunia Advisory: SA15606
Release Date: 2005-06-14
Last Update: 2005-06-15
Popularity: 21,438 views

Critical:
Highly critical
Impact: Exposure of sensitive information
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 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-2002-0648
CVE-2005-1211


Description:
Two vulnerabilities have been reported in Microsoft Internet Explorer, which can be exploited by malicious people to disclose sensitive information and compromise a users system.

1) The vulnerability is caused due to a boundary error in the PNG rendering engine. This can be exploited to cause a buffer overflow by tricking a user into visiting a malicious web site or view a malicious email containing a specially crafted PNG image.

Successful exploitation allows execution of arbitrary code with the privileges of the user running Internet Explorer or another program using the PNG rendering engine.

2) The vulnerability is caused due to an error in the verification of redirects from XML resources. This can be exploited by tricking a user into visiting a malicious web site.

Successful exploitation allows exposure of information from remote resources and local files.

Other potentially security related issues have also been addressed by this bulletin.

Solution:
Apply patches.

Internet Explorer 5.01 Service Pack 3 on Microsoft Windows 2000 (requires Service Pack 3):
http://www.microsoft.com/downloads/de...=5F577A83-67C6-45AE-B5C5-10D7C7FFA3D3

Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 (requires Service Pack 4):
http://www.microsoft.com/downloads/de...=703859AF-CDD5-4348-8916-472A3FDF8667

Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 (requires Service Pack 3 or 4):
http://www.microsoft.com/downloads/de...=A1809B9B-9B0F-4A9C-84A5-56B774920313

Internet Explorer 6 Service Pack 1 on Microsoft Windows XP (requires Service Pack 1):
http://www.microsoft.com/downloads/de...=A1809B9B-9B0F-4A9C-84A5-56B774920313

Internet Explorer 6 for Microsoft Windows XP (requires Service Pack 2):
http://www.microsoft.com/downloads/de...=36EC67CA-94F6-4E55-ADCD-4406A3D6AADE

Internet Explorer 6 Service Pack 1 for Microsoft Windows XP 64-Bit Edition (requires Service Pack 1) (Itanium):
http://www.microsoft.com/downloads/de...=6AAE593C-8FFD-443F-B9AC-3F9F0F20A2EB

Internet Explorer 6 for Microsoft Windows Server 2003 (requires Service Pack 1):
http://www.microsoft.com/downloads/de...=2C58B8F7-4F2D-44DA-80EF-B83667B5AFD7

Internet Explorer 6 for Microsoft Windows XP 64-Bit Edition Version 2003 (Itanium):
http://www.microsoft.com/downloads/de...=77E601E9-4EED-4671-8F3E-AD58A1E88041

Internet Explorer 6 for Microsoft Windows Server 2003 (Itanium):
http://www.microsoft.com/downloads/de...=77E601E9-4EED-4671-8F3E-AD58A1E88041

Internet Explorer 6 for Microsoft Windows Server 2003 (requires Service Pack 1) (Itanium):
http://www.microsoft.com/downloads/de...=77E601E9-4EED-4671-8F3E-AD58A1E88041

Internet Explorer 6 for Microsoft Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/de...=1A7087F1-3AF2-4B33-9F04-6159FAA34C31

Internet Explorer 6 for Microsoft Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/de...=1A7087F1-3AF2-4B33-9F04-6159FAA34C31

For other versions of Internet Explorer and other platforms, please review the FAQ session of the original advisory.

Provided and/or discovered by:
1) Mark Dowd, ISS X-Force.

Changelog:
2005-06-15: Added link to advisory from ISS X-Force and US-CERT vulnerability note.

Original Advisory:
MS05-025 (KB883939):
http://www.microsoft.com/technet/security/Bulletin/MS05-025.mspx

ISS X-Force:
http://xforce.iss.net/xforce/alerts/id/196

Other References:
US-CERT VU#189754:
http://www.kb.cert.org/vuls/id/189754


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