Stack-based buffer overflow in JTTK and JT Utilities - CVE-2021-44435
Published: January 7, 2022
Vulnerability identifier: #VU59311
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-2021-44435
CWE-ID: CWE-121
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 a boundary error while parsing specially crafted JT files. A remote unauthenticated attacker can trick a victim to open a specially crafted file, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
JTTK
JT Utilities
JT Utilities
How to mitigate CVE-2021-44435
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