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CVE-2023-40477

RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability

Published
Last modified
published
Not listed in CISA KEV
2 proofs of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • RARLAB WinRAR

    6.21

References 4

zerodayinitiative.com

win-rar.com

GitHub · wildptr-io/Winrar-CVE-2023-40477-POC

GitHub · winkler-winsen/Scan_WinRAR