CVE-2021-21706
ZipArchive::extractTo may extract outside of destination dir
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 4, 2021
- Updated
- Sep 16, 2024
- Reserved
- Jan 4, 2021
Description
In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N | php |
Weaknesses
- CWE-24 Path Traversal: '../filedir'
Affected Products
| Product | Versions |
|---|---|
PHPPHP Group |
|
References
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