Use-after-free in JT Utilities and JTTK - CVE-2021-44447
Published: January 6, 2022
Vulnerability identifier: #VU59264
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-2021-44447
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 target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
JT Utilities
JTTK
JTTK
How to mitigate CVE-2021-44447
Install updates from vendor's website.
JT Utilities - update to 13.0.3.0
JTTK - update to 13.0.3.0
JTTK - update to 13.0.3.0