CVE-2023-40477

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

7.8
High

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.

Product(s) Impacted

Product Versions
WinRAR

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHash=c5bf79590657e32554c6683296a8e8aa
https://www.zerodayinitiative.com/advisories/ZDI-23-1152/

Tags

zdi-disclosures@trendmicro.com
2024-05-03
CWE-129
CVE-2023-40477

CVSS Score

7.8 / 10

CVSS Data - 3.0

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: May 3, 2024, 3:15 a.m.
Last Modified: May 3, 2024, 12:50 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

zdi-disclosures@trendmicro.com

Relations

Here is the list of observables linked to the vulnerability CVE-2023-40477 using threat intelligence.

  • Remote Access
  • VenomRAT

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.