Vulnerability 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.
CVSS Score
HIGH
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
- http://www.securityfocus.com/bid/92604
- 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
- http://www.securityfocus.com/bid/92604
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-moreThird Party Advisory
FAQ
What is CVE-2016-6886?
CVE-2016-6886 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ke...
How severe is CVE-2016-6886?
CVE-2016-6886 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-2016-6886?
Check the references section above for vendor advisories and patch information. Affected products include: Matrixssl Matrixssl.