CVE-2016-6891

Description

MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted ASN.1 Bit Field primitive in an X.509 certificate.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.08% Top 20%
Third-Party Advisory cert.org Third-Party Advisory securityfocus.com Third-Party Advisory tripwire.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md patch third party advisory release notes
https://www.kb.cert.org/vuls/id/396440 third party advisory us government resource
http://www.securityfocus.com/bid/93498 third party advisory vdb entry
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/ third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2016-6891?
CVE-2016-6891 has been scored as a high severity vulnerability.
How to fix CVE-2016-6891?
To fix CVE-2016-6891, 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-2016-6891 being actively exploited in the wild?
It is possible that CVE-2016-6891 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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