Information disclosure in Matrixssl
CVE-2016-6882
MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/08/19/7 (mailing-list, Patch, Mailing List)
- people.redhat.com/~fweimer/rsa-crt-leaks.pdf (Technical Description)
- access.redhat.com/blogs/766093/posts/1976703 (Third Party Advisory)
- github.com/matrixssl/matrixssl/blob/master/CHANGES.md (Patch, Release Notes)
- www.securityfocus.com/bid/91488 (vdb-entry)
Frequently asked questions
- What is CVE-2016-6882?
- CVE-2016-6882 is a medium-severity vulnerability in Matrixssl, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-03-03.
- How severe is CVE-2016-6882?
- Medium severity. CVSS v3 base score is 5.9 out of 10.