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M2Crypto@0.20beta1 vulnerabilities

A Python crypto and SSL toolkit

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Direct Vulnerabilities

Known vulnerabilities in the M2Crypto package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Timing Attack

M2Crypto is a M2Crypto: A Python crypto and SSL toolkit

Affected versions of this package are vulnerable to Timing Attack due to improper timing controls in the RSA decryption API. An attacker can potentially retrieve sensitive information by observing the time taken to perform cryptographic operations (Marvin).

Note:

This vulnerability exists due to an incomplete fix for CVE-2020-25657.

How to fix Timing Attack?

A fix was pushed into the master branch but not yet published.

[0,)
  • M
Timing Attack

M2Crypto is a M2Crypto: A Python crypto and SSL toolkit

Affected versions of this package are vulnerable to Timing Attack in the RSA decryption API via timed processing of valid PKCS#1 v1.5 ciphertext (Marvin).

How to fix Timing Attack?

Upgrade M2Crypto to version 0.39.0 or higher.

[,0.39.0)
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