#VU43863 Permissions, Privileges, and Access Controls in Moodle - CVE-2011-4296

Vulnerability identifier: #VU43863

Vulnerability risk: Low

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

CVE-ID: CVE-2011-4296

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 manipulate or delete data.

lib/db/access.php in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 assigns incorrect capabilities to the course-creator role, which allows remote authenticated users to modify course filters by leveraging this role.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.0 - 2.0.3, 2.1

---

External links
https://git.moodle.org/gw?p=moodle.git;a=commit;h=88d823c1f491a3c74f67bbf74306a8d1109dee02
https://moodle.org/mod/forum/discuss.php?d=182739
https://openwall.com/lists/oss-security/2011/11/14/1

---

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.