#VU40463 Permissions, Privileges, and Access Controls in Moodle - CVE-2015-5272

Vulnerability identifier: #VU40463

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-5272

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 authenticated user to manipulate data.

The Forum module in Moodle 2.7.x before 2.7.10 allows remote authenticated users to post to arbitrary groups by leveraging the teacher role, as demonstrated by a post directed to "all participants."

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.7 - 2.7.9

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External links
https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50576
https://www.openwall.com/lists/oss-security/2015/09/21/1
https://www.securitytracker.com/id/1033619
https://moodle.org/mod/forum/discuss.php?d=320288

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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