CVE-2017-12781

Public Exploit

Description

The EBML_BufferToID function in ebmlelement.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (Null pointer dereference and application crash) via a crafted mkv file.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.68% Top 30%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html vdb entry third party advisory
http://seclists.org/fulldisclosure/2017/Nov/19 mailing list exploit third party advisory
https://github.com/Matroska-Org/foundation-source/issues/24 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-12781?
CVE-2017-12781 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12781?
To fix CVE-2017-12781, 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-2017-12781 being actively exploited in the wild?
It is possible that CVE-2017-12781 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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