CWE-1242
Inclusion of Undocumented Features or Chicken Bits
Description
The device includes chicken bits or undocumented features that can create entry points for unauthorized actors.
{"xhtml:p":["A common design practice is to use undocumented bits on a device that can be used to disable certain functional security features. These bits are commonly referred to as \"chicken bits\". They can facilitate quick identification and isolation of faulty components, features that negatively affect performance, or features that do not provide the required controllability for debug and test. Another way to achieve this is through implementation of undocumented features."]}
Parent Weaknesses (ChildOf)
Common Consequences
Scope
Impact
Modify Memory, Read Memory, Execute Unauthorized Code or Commands, Gain Privileges or Assume Identity, Bypass Protection Mechanism
Potential Mitigations
The implementation of chicken bits in a released product is highly discouraged. If implemented at all, ensure that they are disabled in production devices. All interfaces to a device should be documented.
Applicable Platforms
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