Timing Attack Affecting m2crypto package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-PYTHON-M2CRYPTO-6130086
  • published18 Dec 2023
  • disclosed13 Dec 2023
  • creditHubert Kario

Introduced: 13 Dec 2023

CVE-2023-50781  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

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

Overview

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.

CVSS Scores

version 3.1