Some vulnerabilities have been discovered in eGroupWare, which can be exploited by malicious people to conduct cross-site scripting attacks and compromise a vulnerable system
1) Input passed to the "lang" parameter in login.php 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.
2) Input passed to the "spellchecker_lang" and "aspell_path" parameters in phpgwapi/js/fckeditor/editor/dialog/fck_spellerpages/spellerpages/server-scripts/spellchecker.php is not properly sanitised before being used. This can be exploited to inject and execute arbitrary shell commands.
The vulnerabilities are confirmed in version 1.6.002. Prior versions may also be affected.
Solution: Update to version 1.6.003.
Provided and/or discovered by: The vendor credits Nahuel Grisolia, CYBSEC.
Original Advisory: http://www.egroupware.org/news?category_id=95&item=93
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Subject: eGroupWare Cross-Site Scripting and Arbitrary Command Execution Vulnerabilities
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