ZDI-CAN-21233: ZDI-23-1152: RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability
First published: Thu Aug 17 2023(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WinRAR |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-21233?
ZDI-CAN-21233 has been classified with a severity level that allows remote code execution upon user interaction.
How do I fix ZDI-CAN-21233?
To fix ZDI-CAN-21233, update your RARLAB WinRAR installation to the latest version provided by the vendor.
What impact does ZDI-CAN-21233 have on my system?
The impact of ZDI-CAN-21233 allows remote attackers to execute arbitrary code on affected systems, potentially compromising system security.
Is user interaction required to exploit ZDI-CAN-21233?
Yes, user interaction is required for ZDI-CAN-21233 as the user must visit a malicious page or open a malicious file to trigger the exploit.
Which versions of WinRAR are affected by ZDI-CAN-21233?
ZDI-CAN-21233 affects certain installations of RARLAB WinRAR, particularly those that have not been updated to the latest security patches.
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