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TITLE:
e107 Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA15282

VERIFY ADVISORY:
http://secunia.com/advisories/15282/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Manipulation of data, Exposure of sensitive
information, System access

WHERE:
>From remote

SOFTWARE:
e107 0.x
http://secunia.com/product/1927/

DESCRIPTION:
Heintz has reported some vulnerabilities in e107, which can be
exploited by malicious people to disclose sensitive information,
conduct SQL injection attacks, and potentially bypass certain
security restrictions and compromise a vulnerable system.

1) Input passed to the "search_info[0][sfile]" parameter in
"search.php" isn't properly verified, before it is used to include
files. This may be exploited to include arbitrary files from external
and local resources.

2) Input passed to the "request.php" script isn't properly verified,
before it is used to view files. This can be exploited to disclose
the content of arbitrary files via directory traversal attacks.

Successful exploitation requires that downloads are handled by PHP.

Example:
http://[host]/request.php?../../[file]

3) Input passed to the "forum_viewforum.php" script isn't properly
sanitised before being used in a SQL query. This can be exploited to
manipulate SQL queries by injecting arbitrary SQL code.

Example:
http://[host]/forum_viewforum.php?5.[code]#

4) Some errors in the use of "extract()" may be exploited to
overwrite global arrays and gain administrative privileges.

The vulnerabilities have been reported in version 0.617. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

Some vulnerabilities have reportedly been fixed in the CVS repository
and will be included in the upcoming 0.7 version.

PROVIDED AND/OR DISCOVERED BY:
Heintz

ORIGINAL ADVISORY:
http://e107.org/e107_plugins/bugtracker2/bugtracker2.php?0.bug.558

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About:
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