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WebEx Downloader Plug-in Multiple Vulnerabilities
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Secunia Advisory:
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SA20956
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Release Date:
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2006-07-07
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Last Update:
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2006-07-11
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Popularity:
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6,952 views
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Critical:
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Highly 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: | WebEx Downloader plug-in 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2006-3423
CVE-2006-3424
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Description:
Some vulnerabilities have been reported in WebEx Downloader plug-in, which can be exploited by malicious people to compromise a user's system.
1) An error exists in the ActiveX and Java versions of the WebEx Downloader plug-in where the source of downloaded components is not properly verified. This can be exploited to install malicious components on a user's system.
Successful exploitation allows execution of arbitrary code, but requires that the user e.g. is tricked into visiting a malicious web site.
The vulnerability has been reported in version 2.0.0.7. Other versions may also be affected.
2) Some unspecified boundary errors in an included ActiveX control can be exploited to cause a buffer overflow.
Successful exploitation may allow execution of arbitrary code.
Solution:
Apply update.
http://www.webex.com/go/downloadSP30
Provided and/or discovered by:
1-2) Mark Litchfield, NGS Software.
1-2) David Dewey and Mark Dowd, ISS X-Force.
1) Discovered by an anonymous person and reported via ZDI.
Changelog:
2006-07-10: Updated credits.
2006-07-11: Added CVE references.
Original Advisory:
WebEx Communications:
http://www.webex.com/lp/security/ActiveAdv.html?TrackID=123456
Zero Day Initiative:
http://www.zerodayinitiative.com/advisories/ZDI-06-021.html
ISS X-Force:
http://xforce.iss.net/xforce/alerts/id/226
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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