CVE-2016-6298
MEDIUM5.3EPSS 0.36%jwcrypto lacks the Random Filling protection mechanism
Published: 5/17/2022Modified: 4/28/2026
Description
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 packages (3)
- Debian/python-jwcryptofrom 0, < 0.3.2-1
- PyPI/jwcryptofrom 0, < 0.3.2
- PyPI/jwcryptofrom 0, < eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba | from 0, < 0.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
References (10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2016-6298
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2016-6298
- PATCHhttps://github.com/latchset/jwcrypto
- WEBhttps://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba
- WEBhttps://github.com/latchset/jwcrypto/issues/65
- WEBhttps://github.com/latchset/jwcrypto/pull/66
- WEBhttps://github.com/latchset/jwcrypto/releases/tag/v0.3.2
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/jwcrypto/PYSEC-2016-4.yaml
- WEBhttps://web.archive.org/web/20200227230613/http://www.securityfocus.com/bid/92729
- WEBhttp://www.securityfocus.com/bid/92729