Out-of-bounds write in JT Utilities and JTTK - CVE-2021-44446
Published: January 6, 2022
Vulnerability identifier: #VU59263
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-2021-44446
CWE-ID: CWE-787
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 boundary error while parsing specially crafted JT files. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
JT Utilities
JTTK
JTTK
How to mitigate CVE-2021-44446
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