CVE-2016-6886
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The pstm_reverse function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid memory read and crash) via a (1) zero value or (2) the key's modulus for the secret key during RSA key exchange.
Predictions
Exploit likelihood
83%
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.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| matrixssl | matrixssl | {"endIncluding":"3.8.3"} | |
References
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
- http://www.securityfocus.com/bid/92604
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
- http://www.securityfocus.com/bid/92604
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html
CWEs
CWE-320
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.