CVE-2024-11477
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability
- State
- Published
- Severity
- 7.8 High
- Published
- Nov 22, 2024
- Updated
- Feb 15, 2025
- Reserved
- Nov 19, 2024
Description
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the implementation of Zstandard decompression. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24346.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.8 High | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | zdi |
Weaknesses
- CWE-191 Integer Underflow (Wrap or Wraparound)
Affected Products
| Product | Versions |
|---|---|
7-Zip7-Zip |
|
References
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