VDB-92336 · CVE-2016-3910 · BID 93296

Google Android prior 5.0.2/5.1.1/6.0/6.0.1/7.0 Mediaserver access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Google Android. It has been declared as problematic. This affects an unknown part of the component Mediaserver. Such manipulation leads to access control. This vulnerability is documented as CVE-2016-3910. The attack needs to be performed locally. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) and classified as critical. Affected by this issue is some unknown processing of the component Mediaserver. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

services/soundtrigger/SoundTriggerHwService.cpp in mediaserver in Android 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-10-01, and 7.0 before 2016-10-01 allows attackers to gain privileges via a crafted application, aka internal bug 30148546.

The weakness was released 10/03/2016 with Trend Micro as Android Security Bulletin - October 2016 as confirmed security bulletin (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2016-3910 since 03/30/2016. The exploitation is known to be easy. The attack needs to be approached locally. Required for exploitation is a simple authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/01/2019). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 112 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 5.0.2, 5.1.1, 6.0, 6.0.1 or 7.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93296†). Entries connected to this vulnerability are available at VDB-83735, VDB-90675, VDB-90618 and VDB-90676. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Android 5.0.2/5.1.1/6.0/6.0.1/7.0

Timelineinfo

03/30/2016 🔍
06/13/2016 +75 days 🔍
10/03/2016 +112 days 🔍
10/03/2016 +0 days 🔍
10/03/2016 +0 days 🔍
10/05/2016 +2 days 🔍
10/10/2016 +5 days 🔍
05/01/2019 +933 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - October 2016
Organization: Trend Micro
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3910 (🔍)
GCVE (CVE): GCVE-0-2016-3910
GCVE (VulDB): GCVE-100-92336
SecurityFocus: 93296 - Google Android Mediaserver Multiple Privilege Escalation Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 10/05/2016 10:44
Updated: 05/01/2019 14:17
Changes: 10/05/2016 10:44 (59), 05/01/2019 14:17 (14)
Complete: 🔍
Cache ID: 216:CFF:103