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Microsoft Windows showHelp and HTML Help Vulnerabilities
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Secunia Advisory:
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SA12059
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Release Date:
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2004-07-13
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Last Update:
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2004-08-02
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Popularity:
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15,615 views
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Critical:
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Highly critical
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Impact:
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Security Bypass
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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| OS: | Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows 98
Microsoft Windows 98 Second Edition
Microsoft Windows Millenium
Microsoft Windows NT 4.0 Server
Microsoft Windows NT 4.0 Server, Terminal Server Edition
Microsoft Windows NT 4.0 Workstation
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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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Microsoft has issued an update for Windows. This fixes two vulnerabilities, allowing malicious websites to compromise a vulnerable system.
1) A problem in the handling of a specially crafted showHelp URL allows execution of arbitrary code in the Local Security Zone.
This issue may be related to:
SA10523
2) A boundary error within HTML Help ("hh.exe") can be exploited to cause a heap-based buffer overflow via a malicious ".CHM" file containing an overly large value in a certain length field.
Reportedly, all versions of Microsoft Windows running Internet Explorer 5.5 SP2 and 6 SP1 are affected.
Microsoft will not be releasing updates for Windows 98, 98SE, and ME.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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