Permissions, Privileges, and Access Controls in Google, Google Android

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU40355

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2016-2417

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

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

media/libmedia/IOMX.cpp 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 2016-04-01 does not initialize a parameter data structure, which allows attackers to obtain sensitive information from process memory, and consequently bypass an unspecified protection mechanism, via unspecified vectors, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 26914474.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 4.0 - 6.0.1

CPE2.3

• cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://source.android.com/security/bulletin/2016-04-02.html
https://android.googlesource.com/platform/frameworks/av/+/1171e7c047bf79e7c93342bb6a812c9edd86aa84
https://www.exploit-db.com/exploits/39685/

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. However, proof of concept for this vulnerability is available.