Improper input validation in Moodle

CVE-2011-4302

mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (67.1th percentile) — read the EPSS interpretation.

Affected products

  • Moodle — versions 1.9.2, 1.9.3, 1.9.4
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2011-4302?
CVE-2011-4302 is a vulnerability in Moodle, classified under Improper Input Validation. Published 2012-07-11.
Is CVE-2011-4302 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.