Medium severity · published Nov 10, 2017
CVE-2017-12781
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)…
6.5
CVSS
2.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libebml2 · Matroska
through 2012-08-26 · source: NVD
MK
Mkclean · Matroska
0.8.9 · source: NVD
MK
Mkvalidator · Matroska
0.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12781
Third Party Advisory
http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html
Exploit
http://seclists.org/fulldisclosure/2017/Nov/19
Exploit
https://github.com/Matroska-Org/foundation-source/issues/24
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