Tracker / CVE-2021-21706
CVE-2021-21706
Medium 5.3
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.
Affected products and versions
| php | php · 7.3.0 → 7.3.31 |
|---|---|
| php | php · 7.4.0 → 7.4.24 |
| php | php · 8.0.0 → 8.0.11 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.