CVE-2016-6884 Denial of service in n/a

Medium 6.5 Published Updated

Remote attackers can cause a denial of service via crafted messages in MatrixSSL TLS implementations using CBC mode.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2016-6884?

CVE-2016-6884 is a medium-severity denial of service vulnerability in n/a, published on 3 Mar 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

TLS cipher suites with CBC mode in TLS 1.1 and 1.2 in MatrixSSL before 3.8.3 allow remote attackers to cause a denial of service (out-of-bounds read) via a crafted message.

Weakness: CWE-125

Which versions are affected by CVE-2016-6884?

It affects 1 product.

Products include Matrixssl Matrixssl.

How do I fix CVE-2016-6884?

No fix has been published for CVE-2016-6884 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-2016-6884 being exploited?

There is no known exploitation of CVE-2016-6884 in the wild and no public exploit code.

Sources

Also known as GHSA-6367-2j27-f6p4.

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