Server-Side Request Forgery (SSRF) in Moodle - CVE-2019-3809
Published: January 30, 2019
Vulnerability identifier: #VU17265
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2019-3809
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2019-3809
Install updates from vendor's website.
Moodle - update to 3.1.16
moodle - addressed in versions 3.1.16-1.el7, 3.4.7-1.fc28, 3.5.4-1.fc29
moodle - addressed in versions 3.1.16-1.el7, 3.4.7-1.fc28, 3.5.4-1.fc29