CVE-2017-12800: Null Pointer Dereference

Published Nov 9, 2017
·
Updated

The EBMLFindNextElement function in ebmlmain.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.

Affected Software

3 affected components
Matroska Libebml2<=2012-08-26
Matroska Mkclean=0.8.9
Matroska Mkvalidator=0.5.1

Event History

Nov 9, 2017
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2017-12800?

CVE-2017-12800 has a severity rating that indicates it can lead to denial of service due to a null pointer dereference.

2

How do I fix CVE-2017-12800?

To fix CVE-2017-12800, ensure you upgrade to a version of libebml beyond 2012-08-26 or use updated software that mitigates the vulnerability.

3

Which software is affected by CVE-2017-12800?

CVE-2017-12800 affects libebml2 versions up to and including 2012-08-26, mkclean version 0.8.9, and mkvalidator version 0.5.1.

4

What type of attack does CVE-2017-12800 enable?

CVE-2017-12800 enables remote attackers to perform denial of service attacks that can cause an application crash.

5

Is there a known exploit for CVE-2017-12800?

Yes, there are known exploits for CVE-2017-12800 that utilize crafted mkv files to trigger the vulnerability.

Contact

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