Use-after-free in JTTK and JT Utilities - CVE-2021-44433
Published: January 7, 2022
Vulnerability identifier: #VU59312
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-44433
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error while parsing specially crafted JT files. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
JTTK
JT Utilities
JT Utilities
How to mitigate CVE-2021-44433
Install updates from vendor's website.
JTTK - update to 11.1.1.0
JT Utilities - update to 13.1.1.0
JT Utilities - update to 13.1.1.0