Observable Timing Discrepancy Affecting cryptography package, versions [,42.0.0)
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.1% (41st
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-CRYPTOGRAPHY-6126975
- published 15 Dec 2023
- disclosed 14 Dec 2023
- credit Hubert Kario
Introduced: 14 Dec 2023
CVE-2023-50782 Open this link in a new tabHow to fix?
Upgrade cryptography to version 42.0.0 or higher.
Overview
Affected versions of this package are vulnerable to Observable Timing Discrepancy. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data (Marvin).
Note:
This vulnerability exists due to an incomplete fix for CVE-2020-25659.