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LinkedIn Internet Explorer Toolbar IEContextMenu ActiveX Control Code Execution
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Secunia Advisory:
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SA26181
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Release Date:
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2007-07-24
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Last Update:
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2007-07-27
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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: | LinkedIn Internet Explorer Toolbar 3.x
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| | CVE reference: | CVE-2007-3955 (Secunia mirror)
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Description:
Jared DeMott and Justin Seitz have discovered a vulnerability in LinkedIn Internet Explorer Toolbar, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an error within the IEToolbar.IEContextMenu.1 (LinkedInIEToolbar.dll) when handling the "Search()" method, which takes in a VARIANT as the "varBrowser" argument. This can be exploited to execute arbitrary code when a user e.g. visits a malicious website.
The vulnerability is confirmed in version 3.0.2.1098. Other versions may also be affected.
NOTE: Working exploit code is publicly available.
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, scan using the Network Software Inspector.
Solution:
Update to the latest version.
http://www.linkedin.com/static?key=browser_toolbar_download
Provided and/or discovered by:
Jared DeMott and Justin Seitz, VDA Labs
Changelog:
2007-07-27: Updated "Solution" section.
2007-07-27: Added CVE reference.
Original Advisory:
http://www.vdalabs.com/tools/linkedin.html
Extended Solution:
The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.
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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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