CVE-2016-6891 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted ASN.1 Bit Field in an X.509 certificate, affecting MatrixSSL users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-6891?
CVE-2016-6891 is a high-severity denial of service vulnerability in n/a, published on 5 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2016-6891?
It affects 1 product.
Products include Matrixssl Matrixssl.
How do I fix CVE-2016-6891?
No fix has been published for CVE-2016-6891 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-6891 being exploited?
There is no known exploitation of CVE-2016-6891 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qjq9-qgx9-ff7r.