#VU74339 Use-after-free in JustSystems Corporation products - CVE-2022-43664
Published: April 4, 2023 / Updated: April 5, 2023
Vulnerability identifier: #VU74339
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-43664
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ichitaro
Hanako
Label Mighty
Raku Hagaki
Easy postcard
JUST Office
JUST Government
JUST Police
homepage builder
Ichitaro
Hanako
Label Mighty
Raku Hagaki
Easy postcard
JUST Office
JUST Government
JUST Police
homepage builder
Software vendor:
JustSystems Corporation
JustSystems Corporation
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing protected attribute identifier in Word processor. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install updates from vendor's website.