id: PYSEC-2016-4 details: 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). affected: - package: name: jwcrypto ecosystem: PyPI purl: pkg:pypi/jwcrypto ranges: - type: GIT repo: https://github.com/latchset/jwcrypto events: - introduced: "0" - fixed: eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba - type: ECOSYSTEM events: - introduced: "0" - fixed: 0.4.0 versions: - 0.2.0 - 0.2.1 - 0.3.0 - 0.3.1 references: - type: FIX url: https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba - type: REPORT url: https://github.com/latchset/jwcrypto/issues/65 - type: WEB url: https://github.com/latchset/jwcrypto/pull/66 - type: WEB url: https://github.com/latchset/jwcrypto/releases/tag/v0.3.2 - type: WEB url: http://www.securityfocus.com/bid/92729 - type: ADVISORY url: https://github.com/advisories/GHSA-wg33-x934-3ghh aliases: - CVE-2016-6298 - GHSA-wg33-x934-3ghh modified: "2021-07-05T00:01:22.078687Z" published: "2016-09-01T23:59:00Z"