CWE-1312: Missing Protection for Mirrored Regions in On-Chip Fabric Firewall
low-riskThe firewall in an on-chip fabric protects the main addressed region, but it does not protect any mirrored memory or memory-mapped-IO (MMIO) regions.
Abstraction: Base
Common Consequences
Confidentiality
→
Modify Memory
Detection Methods
Manual Dynamic Analysis
Using an external debugger, send write transactions to mirrored regions to test if original, write-protected regions are modified. Similarly, send read transactions to mirrored regions to test if the original, read-protected signals can be read.
Real-World Examples (1)
| CVE | CVSS | EPSS | KEV |
|---|---|---|---|
| CVE-2018-25244 | 6.2 | 0.0% | — |
0
/ 100
low-risk
Active Threat
0/50 · Minimal
Exploit Availability
0/50 · Minimal