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GWExtranet Multiple Vulnerabilities
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Secunia Advisory:
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SA27774
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Release Date:
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2007-11-22
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Last Update:
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2007-11-26
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Popularity:
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5,434 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
Exposure of system information
Exposure of sensitive information
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | GWExtranet 3.x
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Description:
Some vulnerabilities have been reported in GWExtranet, which can be exploited by malicious people to disclose sensitive information and to conduct cross-site scripting attacks, and by malicious users to conduct script insertion attacks.
1) Certain input passed via the compose module is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when e.g. a malicious calendar is viewed.
2) Input passed to the "file" and "template" parameters within certain action modules (e.g. sendto, nbfile) in gwextranet/scp.dll is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via e.g. directory traversal attacks.
3) Input passed to the "filter", "user", and "month" parameters within the "frmonth" action module in gwextranet/scp.dll is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
Solution:
Filter malicious characters and character sequences using a proxy.
Provided and/or discovered by:
1, 2) Joseph.giron13
3) DoZ, Hackers Center Security Group
Changelog:
2007-11-26: Added vulnerability #3.
Original Advisory:
3) http://hackerscenter.com/Archive/view.asp?id=28079
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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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