Vulnerability identifier: #VU40242

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-2464

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

libvpx in libwebm in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-06-01 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted mkv file, aka internal bug 23167726.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 4.0 - 4.3.1, 5.0 - 5.1, 6.0 - 6.0.1

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External links
http://source.android.com/security/bulletin/2016-06-01.html
http://android.googlesource.com/platform/external/libvpx/+/65c49d5b382de4085ee5668732bcb0f6ecaf7148
http://android.googlesource.com/platform/external/libvpx/+/cc274e2abe8b2a6698a5c47d8aa4bb45f1f9538d

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.