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TITLE:
Moodle Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA40248

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40248/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40248

RELEASE DATE:
2010-06-27

DISCUSS ADVISORY:
http://secunia.com/advisories/40248/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/40248/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40248

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Some vulnerabilities have been reported in Moodle, which can be
exploited by malicious users to conduct script insertion attacks and
by malicious people to conduct cross-site scripting, script
insertion, and cross-site request forgery attacks.

1) Certain input passed to the MNET access control interface is not
properly sanitised before used. This can be exploited to inject and
execute arbitrary HTML and script code in a user's browser session in
context of an affected site when malicious data is being viewed.

Successful exploitation requires that MNET is enabled and the server
allows extended characters in usernames.

2) Certain unspecified input passed to the blog index page 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.

3) Insufficient filtering functions within lib/weblib.php and can be
exploited to bypass HTML filtering policies and e.g. conduct script
insertion attacks.

Successful exploitation requires a valid user account.

4) The application allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the
requests. This can be exploited to e.g. delete certain quiz reports
by tricking a user into visiting a specially crafted site.

SOLUTION:
Update to version 1.8.13 or 1.9.9 or apply patches (see vendor's
advisories for details).

PROVIDED AND/OR DISCOVERED BY:
4) Reported by the vendor.

The vendor credits:
1, 3) Sascha Herzog 
2) Emmanuel Bouillon

ORIGINAL ADVISORY:
1) http://moodle.org/mod/forum/discuss.php?d=152366
2) http://moodle.org/mod/forum/discuss.php?d=152367
3) http://moodle.org/mod/forum/discuss.php?d=152368
4) http://moodle.org/mod/forum/discuss.php?d=152369

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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

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Secunia NEVER sends attached files with advisories.
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