#VU30614 Improper validation of integrity check value in Moodle - CVE-2012-1170

Vulnerability identifier: #VU30614

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-1170

CWE-ID: CWE-354

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 manipulate data.

Moodle before 2.2.2 has an external enrolment plugin context check issue where capability checks are not thorough

Mitigation
Install update from vendor's website.

Vulnerable software versions

Moodle: 2.2.0 beta - 2.2.1

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2012-April/077635.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-April/078209.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-April/078210.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-May/080712.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-May/081047.html
https://access.redhat.com/security/cve/cve-2012-1170
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-1170
https://moodle.org/mod/forum/discuss.php?d=198632
https://security-tracker.debian.org/tracker/CVE-2012-1170

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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.