#VU42959 Information disclosure in Moodle - CVE-2013-1831

Vulnerability identifier: #VU42959

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-1831

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 non-authenticated attacker to gain access to sensitive information.

lib/setuplib.php in Moodle through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote attackers to obtain sensitive information via an invalid request, which reveals the absolute path in an exception message.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 1.1.1, 1.2 - 1.2.1, 1.3 - 1.3.4, 1.4.1 - 1.4.5, 1.5 - 1.5.3, 1.6 - 1.6.8, 1.7 - 1.7.6, 1.8 - 1.8.14, 1.9 - 1.9.18, 2.0 - 2.0.9, 2.1 - 2.1.10, 2.2 - 2.2.7, 2.3 - 2.3.4, 2.4 - 2.4.1

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External links
https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-36901
https://lists.fedoraproject.org/pipermail/package-announce/2013-April/101310.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-April/101358.html
https://openwall.com/lists/oss-security/2013/03/25/2
https://moodle.org/mod/forum/discuss.php?d=225342

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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