Vulnerability Description
7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. 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 parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write 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-18589.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 7-Zip | 7-Zip | 22.01 |
Related Weaknesses (CWE)
References
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/ProductRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1164/Third Party Advisory
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/ProductRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1164/Third Party Advisory
FAQ
What is CVE-2023-40481?
CVE-2023-40481 is a vulnerability with a CVSS score of 7.8 (HIGH). 7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User inter...
How severe is CVE-2023-40481?
CVE-2023-40481 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-2023-40481?
Check the references section above for vendor advisories and patch information. Affected products include: 7-Zip 7-Zip.