Vulnerability Description
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Matrixssl | Matrixssl | <= 3.8.3 |
Related Weaknesses (CWE)
References
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4PatchVendor Advisory
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-moreThird Party Advisory
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4PatchVendor Advisory
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-moreThird Party Advisory
FAQ
What is CVE-2016-6885?
CVE-2016-6885 is a vulnerability with a CVSS score of 7.5 (HIGH). The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
How severe is CVE-2016-6885?
CVE-2016-6885 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6885?
Check the references section above for vendor advisories and patch information. Affected products include: Matrixssl Matrixssl.