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Internet Explorer "javaprxy.dll" Memory Corruption Vulnerability
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Secunia Advisory:
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SA15891
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Release Date:
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2005-07-01
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Last Update:
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2005-11-21
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Critical:
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Extremely critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 6.x
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| | CVE reference: | CVE-2005-2087 (Secunia mirror)
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Description:
SEC Consult has discovered a vulnerability in Microsoft Internet Explorer, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to the JView Profiler (javaprxy.dll) COM object being instantiated incorrectly in Internet Explorer via the object tag. This can be exploited via a malicious web site to cause a memory corruption.
Successful exploitation allows execution of arbitrary code, but requires that the file "javaprxy.dll" exists on the system.
NOTE: "javaprxy.dll" is included with Microsoft Java Virtual Machine. Exploit code is publicly available.
The vulnerability has been confirmed on a fully patched system with Internet Explorer 6.0, Microsoft VM (virtual machine) build 3802 and Microsoft Windows XP SP2. Internet Explorer 5.01 and 5.5 is reportedly also affected.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
Apply patches:
Internet Explorer 5.01 SP4 on Windows 2000 SP4:
http://www.microsoft.com/downloads/de...=25982E02-EC6D-44CE-82DE-12DDEF1ADDD6
Internet Explorer 6 SP1 on Windows 2000 SP4 or Windows XP SP1:
http://www.microsoft.com/downloads/de...=2A506C16-01EF-4060-BCF8-6993C55840A9
Internet Explorer 6 for Windows XP SP2:
http://www.microsoft.com/downloads/de...=C1381768-6C6D-4568-97B1-600DB8798EBF
Internet Explorer 6 for Windows Server 2003 and Windows Server 2003 SP1:
http://www.microsoft.com/downloads/de...=F368E231-9918-4881-9F17-60312F82183F
Windows Server 2003 (for Itanium-based systems):
http://www.microsoft.com/downloads/de...=D785F9AB-DBE9-4272-A87E-64205690F98E
Internet Explorer 6 for Windows Server 2003 (x64 Edition):
http://www.microsoft.com/downloads/de...=68209225-A682-4008-A22B-881C401486F7
Internet Explorer 6 for Windows XP Professional (x64 Edition):
http://www.microsoft.com/downloads/de...=80EFD9A8-7EE9-4B0B-8517-559C49614AB7
Microsoft Windows ME (Slovenian):
http://www.microsoft.com/downloads/de...-AF7D-603DD5C2BACB&displaylang=sl
Microsoft Windows ME (Slovakian):
http://www.microsoft.com/downloads/de...-AF7D-603DD5C2BACB&displaylang=sk
Internet Explorer 5.5 SP2 on Windows ME:
Security updates are available for download from the Windows Update web site.
Internet Explorer 6 SP1 on Windows 98, Windows 98 SE, or Windows ME:
Security updates are available for download from the Windows Update web site.
Microsoft Windows XP Embedded (with SP2):
http://www.microsoft.com/downloads/de...=9da5dae9-9e2d-45ef-8c9b-d773409b6187
Microsoft Windows XP Embedded (with SP1):
http://www.microsoft.com/downloads/de...=8f1f7ae2-8e47-4055-9f55-aef72d8ea60d
Provided and/or discovered by:
sk0L and Martin Eiszner, SEC Consult.
Changelog:
2005-07-05: Added CAN-reference and link to US-CERT vulnerability note. Upgraded criticality to "Extremely critical". Updated "Description" and "Solution" section.
2005-07-11: Added note about registry key update in "Solution" section.
2005-07-12: Vendor issues patches. Updated "Solution" section.
2005-11-21: Added patch information for Windows XP Embedded.
Original Advisory:
MS05-037 (903235):
http://www.microsoft.com/technet/security/Bulletin/MS05-037.mspx
Microsoft:
http://www.microsoft.com/technet/security/advisory/903144.mspx
SEC Consult:
http://www.sec-consult.com/184.html
Other References:
US-CERT VU#939605:
http://www.kb.cert.org/vuls/id/939605
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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