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TITLE:
CMME Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA31599

VERIFY ADVISORY:
http://secunia.com/advisories/31599/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of system information, Exposure of
sensitive information

WHERE:
>From remote

SOFTWARE:
CMME 1.x
http://secunia.com/product/19672/

DESCRIPTION:
SirGod has discovered some vulnerabilities and a security issue in
CMME (Content Management Made Easy), which can be exploited by
malicious people to conduct cross-site scripting attacks and disclose
sensitive information.

1) Input passed to the "env" parameter in index.php is not properly
sanitised before being used. This can be exploited to display
arbitrary files via directory traversal attacks and URL-encoded NULL
bytes.

Successful exploitation of this vulnerability requires that
"magic_quotes_gpc" is disabled.

2) The problem is that user credentials are stored in the
"backup/cmme_data.zip" and "backup/cmme_cmme.zip" files inside the
web root. This can be exploited to disclose usernames and password
hashes.

Successful exploitation of this vulnerability requires that the
administrator has used the "Make a backup" functionality.

3) Input passed to the "page" and "year" parameters in statistics.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.

The vulnerabilities and the security issue are confirmed in version
1.12. Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.
Restrict access to the "backup" directory (e.g. with ".htaccess").

PROVIDED AND/OR DISCOVERED BY:
SirGod

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6313

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
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Secunia NEVER sends attached files with advisories.
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