Assumed-Immutable Data is Stored in Writable Memory
CWE-1282
Immutable data, such as a first-stage bootloader, device identifiers, and write-once configuration settings are stored in writable memory that can be re-programmed or updated in the field.
We track 1 vulnerability of this type. 100% are rated high or critical, and the average CVSS score is 7.1.
How this weakness is prevented
- Implementation: Storing immutable code or data in read-only memory (ROM), fuses, or one-time programmable (OTP) memory provides strong integrity guarantees and provides a root of trust for securing the rest of the system.
Latest Assumed-Immutable Data is Stored in Writable Memory vulnerabilities
- 7.1 High severity
ASIK AirScale: Assumed-Immutable Data is Stored in Writable Memory
The bootloader in the Nokia ASIK AirScale system module (versions 474021A.101 and 474021A.102) loads public keys for firmware verification signature. If an attacker modifies the flash contents to corrupt the keys, secure boot could be permanently disabled on a