Improper Validation of Array Index in WinRAR - CVE-2023-40477
Published: August 19, 2023 / Updated: June 14, 2024
Vulnerability identifier: #VU79711
CSH Severity: High
CVSS v4.0: 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
Vendor: RARLAB
Affected software:
WinRAR
WinRAR
Detailed vulnerability 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.
How to mitigate CVE-2023-40477
Install updates from vendor's website.