VDB-90465 · CVE-2016-3829 · BID 92221

Google Android 6.0 Mediaserver encoding error

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.
5.3	$0-$5k	0.00

A vulnerability was found in Google Android 6.0 (Smartphone Operating System). It has been classified as problematic. This affects an unknown code of the component Mediaserver. The manipulation with an unknown input leads to a encoding error vulnerability. CWE is classifying the issue as CWE-172. The product does not properly encode or decode the data, resulting in unexpected values. This is going to have an impact on availability. The summary by CVE is:

The ih264d decoder in mediaserver in Android 6.x before 2016-08-01 does not initialize certain structure members, which allows remote attackers to cause a denial of service (device hang or reboot) via a crafted media file, aka internal bug 29023649.

The weakness was published 08/01/2016 by Hao Sun as Android Security Bulletin - August 2016 as confirmed security bulletin (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2016-3829 since 03/30/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 66 days. During that time the estimated underground price was around $5k-$25k.

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

Similar entries are available at 90455, 90456, 90457 and 90458.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Encoding error
CWE: CWE-172
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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 6.0/6.0.1

Timelineinfo

03/30/2016 🔍
05/27/2016 +58 days 🔍
08/01/2016 +66 days 🔍
08/01/2016 +0 days 🔍
08/01/2016 +0 days 🔍
08/05/2016 +4 days 🔍
08/06/2016 +1 days 🔍
03/19/2019 +955 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - August 2016
Researcher: Hao Sun
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3829 (🔍)
SecurityFocus: 92221 - Google Android Mediaserver Multiple Denial of Service Vulnerabilities

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

Entryinfo

Created: 08/06/2016 14:02
Updated: 03/19/2019 08:26
Changes: 08/06/2016 14:02 (60), 03/19/2019 08:26 (14)
Complete: 🔍