[UNIX] Sun Secure Global Desktop Multiple Vulnerabilities
- From: SecuriTeam <support@xxxxxxxxxxxxxx>
- Date: 21 Sep 2006 13:41:42 +0200
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Sun Secure Global Desktop Multiple Vulnerabilities
------------------------------------------------------------------------
SUMMARY
<https://sgddemo.sun.com/> Sun Secure Global Desktop (SSGD, formerly
known as Tarantella[1]) is "an open-source remote desktop solution with a
basic amount of security". Marc Ruef at scip AG found six undisclosed
web-based vulnerabilities in Sun Secure Global Desktop prior 4.3.
DETAILS
1. Cross site scripting
Some scripts that are not protected by any authentication procedure can be
used to run arbitrary script code within a cross site scripting attack.
2. Revealing of sensitive information
Some scripts that are not protected by any authentication procedure can be
accessed to reveal sensitive information (e.g. internal hostnames, applied
software version, details about settings) about the target host.
Exploitation:
Classic script injection techniques and unexpected input data within a
browser session can be used to exploit these vulnerabilities.
Impact:
Because non-authenticated parts of the software are affected, this
vulnerabilities are serious for every secure environment.
Non-authenticated users might be able to exploit the flaws to gain
elevated privileges (e.g. extracting sensitive cookie information or
launch a buffer overflow attack against another web browser).
Solution:
We have informed sun on a very early stage. They said that the problems
will be addressed with a bugfix for the currently shipping version 4.2 and
will no longer be existing in the upcoming version 4.3. We were told that
the public release for the patch is at the end of August 2006. Due to no
public release was made and our last emails were not answered, we do not
know what kind of official solution is available. This is why we are not
going to publish any technical details or exploits at the moment.
De-activate the following scripts to gain a higher level of security:
- ttaarchives.cgi
- ttaAuthentication.jsp
- ttalicense.cgi
- ttawlogin.cgi
- ttawebtop.cgi
- ttaabout.cgi
- test-cgi
Vendor Response:
Sun Microsystems Inc. has been informed a first time at 07/04/2006 via
email to contactus-at-sun.com. Because no reply came back we decided to
send a forwarding at 07/18/2006 to security-alert-at-sun.com. A first
response came back on the same day. Several email messages were exchanged
to discuss the vulnerabilities and to co-ordinate the disclosure of this
advisory. However, the last emails since 09/15/2006 have not been
answered.
Disclosure Timeline:
06/06/06 Identification of the vulnerabilities
07/04/06 First information to contactus-at-sun.com
07/18/06 Second information to security-alert-at-sun.com
09/15/06 Sending the last email which is still unanswered
09/21/06 Public disclosure of this advisory
ADDITIONAL INFORMATION
The information has been provided by <mailto:maru@xxxxxxx> Marc Ruef.
The original article can be found at:
<http://www.scip.ch/cgi-bin/smss/showadvf.pl?id=2555>
http://www.scip.ch/cgi-bin/smss/showadvf.pl?id=2555
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