Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rarlab | Winrar | < 6.23 |
Related Weaknesses (CWE)
References
- https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHasRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1152/Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2023/11/msg00009.html
- https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHasRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1152/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2023-40477?
CVE-2023-40477 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...
How severe is CVE-2023-40477?
CVE-2023-40477 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-40477?
Check the references section above for vendor advisories and patch information. Affected products include: Rarlab Winrar.