Timing Attack Affecting rsa package, versions [2.0,4.7)
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Threat Intelligence
EPSS
0.23% (61st
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-RSA-1038401
- published 10 Nov 2020
- disclosed 9 Nov 2020
- credit Unknown
Introduced: 9 Nov 2020
CVE-2020-25658 Open this link in a new tabHow to fix?
Upgrade rsa
to version 4.7 or higher.
Overview
rsa is a pure-Python RSA implementation.
Affected versions of this package are vulnerable to Timing Attack via timed processing of valid PKCS#1
v1.5 ciphertext. An attacker can recover ciphertexts via a side-channel attack by exploiting the Marvin security flaw.