VDB-92335 · CVE-2016-3909 · BID 93296

Google Android prior 7.0 Mediaserver access control

CVSS Meta Temp Score
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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.
7.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Mediaserver. This manipulation causes access control. This vulnerability is registered as CVE-2016-3909. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Google Android (Smartphone Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component Mediaserver. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/03/2016 with Trend Micro as Android Security Bulletin - October 2016 as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2016-3909 since 03/30/2016. The exploitation appears to be easy. Attacking locally is a requirement. The requirement for exploitation is a single authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/22/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 117 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 4.4.4, 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†). Similar entries are available at VDB-83735, VDB-90675, VDB-90618 and VDB-90676. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Android 4.4.4/5.0.2/5.1.1/6.0/6.0.1/7.0

Timelineinfo

03/30/2016 🔍
06/08/2016 +70 days 🔍
10/03/2016 +117 days 🔍
10/03/2016 +0 days 🔍
10/03/2016 +0 days 🔍
10/05/2016 +2 days 🔍
10/10/2016 +5 days 🔍
09/22/2022 +2173 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2016-3909 (🔍)
GCVE (CVE): GCVE-0-2016-3909
GCVE (VulDB): GCVE-100-92335
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: 09/22/2022 08:45
Changes: 10/05/2016 10:44 (58), 05/01/2019 12:59 (14), 09/22/2022 08:45 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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