CWE-514: Covert Channel
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A covert channel is a path that can be used to transfer information in a way not intended by the system's designers.
What the weakness is: CWE-514 at MITRE. All weaknesses
Related attack patterns (CAPEC): 1
- CAPEC-463 Padding Oracle Crypto Attack Severity: High
The attack patterns MITRE's CAPEC relates to CWE-514, as MITRE names them. Credits.
Ask an AI about CWE-514
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Explain CWE-514: Covert Channel and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/514.html and https://cve.bz/cve/cwe/514?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
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Issue summary: The CMS_decrypt and PKCS7_decrypt functions are vulnerable to Bleichenbacher-style attack when an attacker is able to provide the CMS or S/MIME messages and observe the error code and/or decryption output. Impact summary: T…