medium5.5
CVE-2021-30738
A malicious application may be able to overwrite arbitrary files.
Impact
A malicious application may be able to overwrite arbitrary files. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Mojave. An issue with path validation logic for hardlinks was addressed with improved path sanitization.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Mac Os X | from 10.14.0 through 10.14.5 Version 10.14.6 |
| Apple | Macos | from 11.0.1 before 11.4 |