Exposure of Resource to Wrong Sphere
CVE-2021-36710
Summary
ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0.
- LOW
- LOCAL
- HIGH
- CHANGED
- NONE
- LOW
- HIGH
- HIGH
CWE-668 - Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
References
Advisory Timeline
- Published