Code Injection in Moodle - CVE-2022-35649
Published: July 18, 2022
Vulnerability identifier: #VU65376
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2022-35649
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: moodle.org
Affected software:
Moodle
Moodle
Detailed vulnerability description
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.
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.