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CVE-2023-40477

May 3, 2024, 12:50 p.m.

CVSS Score

7.8 / 10

Product(s) Impacted

WinRAR

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.

Weaknesses

Date

Published: May 3, 2024, 3:15 a.m.

Last Modified: May 3, 2024, 12:50 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

zdi-disclosures@trendmicro.com

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
7.8
Exploitability Score
Impact Score
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://www.win-rar.com/ zdi-disclosures@trendmicro.com

https://www.zerodayinitiative.com/ zdi-disclosures@trendmicro.com