CVE-2016-6882

Description

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.38%
Third-Party Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/08/19/7 mailing list patch
https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf technical description
https://access.redhat.com/blogs/766093/posts/1976703 third party advisory
https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation patch release notes
http://www.securityfocus.com/bid/91488 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-6882?
CVE-2016-6882 has been scored as a medium severity vulnerability.
How to fix CVE-2016-6882?
To fix CVE-2016-6882, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6882 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-6882 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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