Server-Side Request Forgery (SSRF) in Moodle - CVE-2019-3809

 

Server-Side Request Forgery (SSRF) in Moodle - CVE-2019-3809

Published: January 30, 2019


Vulnerability identifier: #VU17265
CSH Severity: Low
CVSS v4.0: 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:Clear
CVE-ID: CVE-2019-3809
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: moodle.org
Affected software:
Moodle

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient input validation in "/badges/mybackpack.php". A remote attacker can send a specially crafted HTTP request to the "/badges/mybackpack.php" script and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


How to mitigate CVE-2019-3809

Install updates from vendor's website.

Sources