CVE-2016-6882

low-risk
Published 2017-03-03

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.

Do I need to act?

-
0.38% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Matrixssl

References (10)

Mailing List http://www.openwall.com/lists/oss-security/2016/08/19/7
http://www.securityfocus.com/bid/91488
Third Party Advisory https://access.redhat.com/blogs/766093/posts/1976703
Patch https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-...
Technical Description https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
Mailing List http://www.openwall.com/lists/oss-security/2016/08/19/7
http://www.securityfocus.com/bid/91488
Third Party Advisory https://access.redhat.com/blogs/766093/posts/1976703
Patch https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-...
Technical Description https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal