#VU40731 Permissions, Privileges, and Access Controls in Moodle - CVE-2015-3179

Vulnerability identifier: #VU40731

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:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-3179

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 data.

login/confirm.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to bypass intended login restrictions by leveraging access to an unconfirmed suspended account.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.5 - 2.5.8, 2.6 - 2.6.10, 2.7 - 2.7.7, 2.8 - 2.8.5

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External links
https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50090
https://openwall.com/lists/oss-security/2015/05/18/1
https://www.securityfocus.com/bid/74725
https://www.securitytracker.com/id/1032358
https://moodle.org/mod/forum/discuss.php?d=313686

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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.