CVE-2023-40477 Affecting rar package, versions <2:6.23-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.49% (76th percentile)

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  • Snyk IDSNYK-DEBIAN13-RAR-5861147
  • published25 Aug 2023
  • disclosed3 May 2024

Introduced: 25 Aug 2023

CVE-2023-40477  (opens in a new tab)

How to fix?

Upgrade Debian:13 rar to version 2:6.23-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rar package and not the rar package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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.

CVSS Scores

version 3.1