Home/CWE/Covert Channel
Weakness

Covert Channel

CWE-514 · Class · Incomplete

A covert channel is a path that can be used to transfer information in a way not intended by the system's designers.

Extended description

Typically the system has not given authorization for the transmission and has no knowledge of its occurrence.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-1229 · Creation of Emergent Resource
Children (more specific)
ParentOfCWE-385 · Covert Timing Channel
ParentOfCWE-515 · Covert Storage Channel
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Attack Patterns (CAPEC)

1
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-463Padding Oracle Crypto Attack
External lookups - second-class, for what we don’t hold ourselves
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