CVE-2016-6298
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
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-6298
Vendor advisory: secalert@redhat.com — https://github.com/latchset/jwcrypto/releases/tag/v0.3.2
Vendor advisory: secalert@redhat.com — https://github.com/latchset/jwcrypto/pull/66
Vendor advisory: secalert@redhat.com — https://github.com/latchset/jwcrypto/issues/65
Vendor advisory: secalert@redhat.com — https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0.3.2-1 |
| debian | bullseye | fixed | 0.3.2-1 |
| debian | forky | fixed | 0.3.2-1 |
| debian | sid | fixed | 0.3.2-1 |
| debian | trixie | 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
Verify integrity in audit chain (admin only). AS-IS.