CVE-2017-12801 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted MKV file due to an assertion fault in libebml2.
- 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-2017-12801?
CVE-2017-12801 is a medium-severity denial of service vulnerability in n/a, published on 9 Nov 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
The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.
Weakness: CWE-20
Which versions are affected by CVE-2017-12801?
It affects 3 products.
Products include Matroska Libebml2, Matroska Mkclean, Matroska Mkvalidator.
How do I fix CVE-2017-12801?
No fix has been published for CVE-2017-12801 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-2017-12801 being exploited?
There is no known exploitation of CVE-2017-12801 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2946-xv2c-75wg.