#VU43794 Information disclosure in Moodle - CVE-2012-3394

Vulnerability identifier: #VU43794

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-2012-3394

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.

auth/ldap/ntlmsso_attempt.php in Moodle 2.0.x before 2.0.10, 2.1.x before 2.1.7, 2.2.x before 2.2.4, and 2.3.x before 2.3.1 redirects users from an https LDAP login URL to an http URL, which allows remote attackers to obtain sensitive information by sniffing the network.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.1.6, 2.2 - 2.2.3, 2.3

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External links
https://git.moodle.org/gw?p=moodle.git;a=commit;h=9d8d2ee6192e8b7ebb6713bd6215e06f94e2a9f7
https://openwall.com/lists/oss-security/2012/07/17/1
https://secunia.com/advisories/49890
https://www.securityfocus.com/bid/54481
https://exchange.xforce.ibmcloud.com/vulnerabilities/76960

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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.