#VU43831 Information disclosure in Moodle - CVE-2011-4581

Vulnerability identifier: #VU43831

Vulnerability risk: Low

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

CVE-ID: CVE-2011-4581

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

mod/wiki/pagelib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 allows remote authenticated users to discover the username of a wiki creator by visiting the history and deletion user interface.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.0 - 2.0.5, 2.1 - 2.1.2

---

External links
https://git.moodle.org/gw?p=moodle.git;a=commit;h=140af2a0f0a4598bf568b9ae182cb81eb583edeb
https://moodle.org/mod/forum/discuss.php?d=191747
https://bugzilla.redhat.com/show_bug.cgi?id=761248

---

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.