Secunia Security Advisory - Joseph.giron13 has reported some vulnerabilities in GWExtranet, which can be exploited by malicious people to disclose sensitive information, and by malicious users to conduct script insertion attacks.
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TITLE:
GWExtranet Information Disclosure and Script Insertion
Vulnerabilities
SECUNIA ADVISORY ID:
SA27774
VERIFY ADVISORY:
http://secunia.com/advisories/27774/
CRITICAL:
Moderately critical
IMPACT:
Cross Site Scripting, Exposure of system information, Exposure of
sensitive information
WHERE:
>From remote
SOFTWARE:
GWExtranet 3.x
http://secunia.com/product/16639/
DESCRIPTION:
Joseph.giron13 has reported some vulnerabilities in GWExtranet, which
can be exploited by malicious people to disclose sensitive
information, 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.
SOLUTION:
Filter malicious characters and character sequences using a proxy.
PROVIDED AND/OR DISCOVERED BY:
Joseph.giron13
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