CVE-2016-6298
medium
CVSS v3
5.3
CVSS v4 NEW
—
VIR risk
5.3
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).
Predictions
Exploit likelihood
63%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.3.2-1 |
| sid | Fixed | 0.3.2-1 |
| forky | Fixed | 0.3.2-1 |
| bullseye | Fixed | 0.3.2-1 |
| bookworm | Fixed | 0.3.2-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| latchset | jwcrypto | {"endExcluding":"0.3.2"} | 0.3.2 |
References
- http://www.securityfocus.com/bid/92729
- https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba
- https://github.com/latchset/jwcrypto/issues/65
- https://github.com/latchset/jwcrypto/pull/66
- https://github.com/latchset/jwcrypto/releases/tag/v0.3.2
- https://nvd.nist.gov/vuln/detail/CVE-2016-6298
- https://github.com/latchset/jwcrypto
- https://github.com/pypa/advisory-database/tree/main/vulns/jwcrypto/PYSEC-2016-4.yaml
- https://web.archive.org/web/20200227230613/http://www.securityfocus.com/bid/92729
- https://security-tracker.debian.org/tracker/CVE-2016-6298
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.