#VU79711 Improper Validation of Array Index in WinRAR - CVE-2023-40477

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Main Vulnerability Database Vulnerabilities #VU79711

#VU79711 Improper Validation of Array Index in WinRAR - CVE-2023-40477

Published: August 19, 2023 / Updated: June 14, 2024


Vulnerability identifier: #VU79711
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:P/U:Amber
CVE-ID: CVE-2023-40477
CWE-ID: CWE-129
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
WinRAR
Software vendor:
RARLAB

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper validation of array index when processing recovery volumes. A remote attacker can trick the victim to open a specially crafted archive and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links