#VU43853 Permissions, Privileges, and Access Controls in Moodle - CVE-2012-0798

Vulnerability identifier: #VU43853

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2012-0798

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote #AU# to read and manipulate data.

The self-enrolment functionality in Moodle 2.1.x before 2.1.4 and 2.2.x before 2.2.1 allows remote authenticated users to obtain the manager role by leveraging the teacher role.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.1.3, 2.2

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External links
https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-29469
https://moodle.org/mod/forum/discuss.php?d=194017
https://bugzilla.redhat.com/show_bug.cgi?id=783532

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.