Code Injection in Moodle - CVE-2022-35649
Published: July 18, 2022
Vulnerability identifier: #VU65376
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-35649
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when parsing PostScript code. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the system running GhostScript versions older than 9.50.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2022-35649
Install updates from vendor's website.
As a workaround it is recommended to update GhostScript to version 9.50 or newer.
Moodle - addressed in versions 3.9.15, 3.11.8, 4.0.2
moodle - addressed in versions 3.11.8-1.fc35, 3.11.8-1.fc36
moodle - addressed in versions 3.11.8-1.fc35, 3.11.8-1.fc36