CWE-1290: Incorrect Decoding of Security Identifiers | Glexia
CWE-1290 (Incorrect Decoding of Security Identifiers) weakness overview with consequences, detection methods, mitigations, related CVEs and MITRE ATT&CK context.
Glexia's Take · Automated analysis
CWE-1290: Incorrect Decoding of Security Identifiers
Incorrect Decoding of Security Identifiers represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Executive Impact
- Confidentiality,Integrity,Availability,Access Control: Modify Memory,Read Memory,DoS: Resource Consumption (Other),Execute Unauthorized Code or Commands,Gain Privileges or Assume Identity,Quality Degradation
Developer Pattern
CWE-1290 is the kind of defect developers can usually prevent with explicit validation, safer framework defaults, and tests that exercise hostile input or unsafe state transitions.
Automation confidence
high confidence from CWE-1290, 4.20.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Official CWE Definition
CWE-1290: Incorrect Decoding of Security Identifiers
The product implements a decoding mechanism to decode certain bus-transaction signals to security identifiers. If the decoding is implemented incorrectly, then untrusted agents can now gain unauthorized access to the asset.
Developer And Remediation Guidance
How teams prevent and detect this weakness
Causes
- The following Pseudo code outlines the process of checking the value of the Security Identifier within the AES_KEY_ACCESS_POLICY register:,Below is a decoder's Pseudo code that only checks for bit [14] of the bus transaction to determine what Security Identifier it must assign.,
Remediation
- Architecture and Design: Security identifier decoders must be reviewed for design consistency and common weaknesses.
- Implementation: Access and programming flows must be tested in pre-silicon and post-silicon testing in order to check for this weakness.
Detection
- Code review
- SAST
- DAST
- Focused regression tests
Mappings
Related CVEs, CWEs, and ATT&CK context
ATT&CK Relevance
ATT&CK relevance is shown only when reviewed or responsibly inferred.