CVE-2021-21706
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-21706
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 8.0.11-1 | |
| debian | bullseye | fixed | 0 |
References
Verify integrity in audit chain (admin only). AS-IS.