Moodle 1.9.x < 1.9.14 Multiple Vulnerabilities

Medium Nessus Network Monitor Plugin ID 8711


The remote web server is hosting a web application that is vulnerable to multiple attack vectors.


The remote web server hosts Moodle, an open-source course management system. Versions of Moodle prior to 1.9.14 are exposed to the following vulnerabilities :

- A flaw exists in the forms API that allows form values set as constants to be altered when the user submits the form. (MSA-11-0031 / CVE-2011-4301)

- A security flaw exists due to incorrect handling of openssl_verify() return codes and exposes the server to remote attacks bypassing validation. (MSA-11-0032 / CVE-2011-4302)

- A denial of service vulnerability exists in the script 'message/refresh.php' because users could change the refresh wait time to zero. This results in an unlimited query which could exhaust system resources, denying access to legitimate users. (MSA-11-0036 / CVE-2011-4305)

- A cross-site scripting (XSS) vulnerability exists due to lack of input sanitization when editing course sections. Specifically, this affects the 'editsection.html' values directly from user input supplied to data_submitted(). (MSA-11-0037 / CVE-2011-4306)

- An unspecified SQL injection vulnerability exists when using magic quotes in the SQL query. (MSA-11-0038)

- An information disclosure flaw exists in 'mod/forum/user.php' which exposes user names to any authenticated members, rather than only students or administrators in the same course. (MSA-11-0040 / CVE-2011-4308)


Upgrade to Moodle version 1.9.14 or later.

See Also

Plugin Details

Severity: Medium

ID: 8711

Family: CGI

Published: 2015/04/20

Modified: 2016/01/19

Dependencies: 8683

Risk Information

Risk Factor: Medium


Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C


Base Score: 5.6

Temporal Score: 5.4


Temporal Vector: CVSS3#E:X/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:moodle:moodle

Patch Publication Date: 2011/10/10

Vulnerability Publication Date: 2011/10/18

Reference Information

CVE: CVE-2011-4301, CVE-2011-4302, CVE-2011-4305, CVE-2011-4306, CVE-2011-4308

BID: 73595, 50283