Server-Side Request Forgery (SSRF) in Moodle - CVE-2023-35133

 

Server-Side Request Forgery (SSRF) in Moodle - CVE-2023-35133

Published: June 19, 2023


Vulnerability identifier: #VU77516
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2023-35133
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 validation of user-supplied input. A remote attacker can send a specially crafted HTTP request 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

How to mitigate CVE-2023-35133

Install updates from vendor's website.

Moodle - addressed in versions 3.9.22, 3.11.15, 4.0.9, 4.1.4, 4.2.1
moodle - addressed in versions 4.1.4-1.fc37, 4.1.4-1.fc38

External References

Related Security Bulletins