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Security Advisories: GSA_kwCzR0hTQS13ZzMzLXg5MzQtM2doaM4AAc86

jwcrypto lacks the Random Filling protection mechanism

The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).

Permalink: https://github.com/advisories/GHSA-wg33-x934-3ghh
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS13ZzMzLXg5MzQtM2doaM4AAc86
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 2 years ago
Updated: 19 days ago


CVSS Score: 5.3
CVSS vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Identifiers: GHSA-wg33-x934-3ghh, CVE-2016-6298
References: Repository: https://github.com/latchset/jwcrypto
Blast Radius: 17.5

Affected Packages

pypi:jwcrypto
Dependent packages: 86
Dependent repositories: 1,962
Downloads: 1,962,515 last month
Affected Version Ranges: < 0.3.2
Fixed in: 0.3.2
All affected versions: 0.2.0, 0.2.1, 0.3.0, 0.3.1
All unaffected versions: 0.4.0, 0.4.1, 0.4.2, 0.5.0, 0.6.0, 0.9.1, 1.3.1, 1.4.1, 1.4.2, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6