CVE-2023-40477

7.8 HIGH
Published: May 03, 2024 Modified: November 04, 2025

Description

RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of recovery volumes. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21233.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1152/
Source: zdi-disclosures@trendmicro.com
Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-23-1152/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
92.8%
100th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

rarlab