Fluid Attacks Database

Description

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).

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
pypi	jwcrypto	>=0 <0.3.2	0.3.2
debian 14	python-jwcrypto	>=0 <0.3.2-1	0.3.2-1
debian 12	python-jwcrypto	>=0 <0.3.2-1	0.3.2-1
debian 13	python-jwcrypto	>=0 <0.3.2-1	0.3.2-1

Aliases

1. CVE-2016-62982. NVD-2016-62983. OSV-2016-62984. OSV-DEBIAN-2016-62985. GCVE-2016-62986. SECURITY-TRACKER-CVE-2016-6298

References

1. https://github.com/latchset/jwcrypto/issues/652. https://github.com/latchset/jwcrypto/pull/663. https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba4. https://github.com/latchset/jwcrypto/releases/tag/v0.3.25. https://github.com/pypa/advisory-database/tree/main/vulns/jwcrypto/PYSEC-2016-4.yaml6. https://web.archive.org/web/20200227230613/http://www.securityfocus.com/bid/92729

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