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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhyeDYtZm14cS1yamoy

Timing attacks in python-rsa

It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA

Permalink: https://github.com/advisories/GHSA-xrx6-fmxq-rjj2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhyeDYtZm14cS1yamoy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 3 years ago
Updated: about 1 year ago


CVSS Score: 5.9
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Identifiers: GHSA-xrx6-fmxq-rjj2, CVE-2020-25658
References: Repository: https://github.com/sybrenstuvel/python-rsa
Blast Radius: 28.6

Affected Packages

pypi:rsa
Dependent packages: 368
Dependent repositories: 69,170
Downloads: 188,146,702 last month
Affected Version Ranges: < 4.7
Fixed in: 4.7
All affected versions: 1.3.1, 1.3.2, 1.3.3, 3.0.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.2.1, 3.2.2, 3.2.3, 3.4.1, 3.4.2, 4.1.1, 4.4.1
All unaffected versions: 4.7.1, 4.7.2