#VU80002 Out-of-bounds write in 7-Zip - CVE-2023-40481
Published: August 25, 2023
Vulnerability identifier: #VU80002
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-2023-40481
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
7-Zip
7-Zip
Software vendor:
7-zip.org
7-zip.org
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when parsing SQFS files. A remote attacker can create a specially crafted archive, trick the victim into opening it, trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.