RCE in Moodle
CVE-2018-14630
moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.044 (91.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
- Moodle
- [Unknown] Moodle — versions 3.5.2, 3.1.14, 3.4.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105354 (VDB Entry, Third Party Advisory, vdb-entry)
- git.moodle.org/gw (Patch, Vendor Advisory)
- moodle.org/mod/forum/discuss.php (Patch, Vendor Advisory)
- seclists.org/fulldisclosure/2018/Sep/28 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-mo… (Exploit, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-14630?
- CVE-2018-14630 is a high-severity vulnerability in Moodle, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2018-09-17.
- How severe is CVE-2018-14630?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-14630 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.