Vulnerability in Matrixssl
CVE-2016-6886
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.matrixssl.org/blog/releases/matrixssl_3_8_4 (Patch, Vendor Advisory)
- blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html (Third Party Advisory)
- www.securityfocus.com/bid/92604 (vdb-entry)
Frequently asked questions
- What is CVE-2016-6886?
- CVE-2016-6886 is a high-severity vulnerability in Matrixssl, classified under CWE-320. CVSS score: 7.5/10. Published 2017-01-13.
- How severe is CVE-2016-6886?
- High severity. CVSS v3 base score is 7.5 out of 10.