Description
repository/s3/S3.php in the Amazon S3 library in Moodle through 2.2.11, 2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to an incorrect CURLOPT_SSL_VERIFYHOST value.
Remediation
References
Related Vulnerabilities
MediaWiki Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2020-29004)
TYPO3 Permissions, Privileges, and Access Controls Vulnerability (CVE-2010-3714)
WordPress Plugin rtMedia for WordPress, BuddyPress and bbPress Unspecified Vulnerability (3.7.18)
Jboss EAP Deserialization of Untrusted Data Vulnerability (CVE-2016-7065)