Google Android up to 6.x Mediaserver ih264d_parse_pslice.c input validation

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.
7.2	$0-$5k	0.00

A vulnerability has been found in Google Android up to 6.x (Smartphone Operating System) and classified as critical. Affected by this vulnerability is some unknown functionality of the file decoder/ih264d_parse_pslice.c of the component Mediaserver. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

decoder/ih264d_parse_pslice.c in mediaserver in Android 6.x before 2016-07-01 does not properly select concealment frames, which allows remote attackers to cause a denial of service (device hang or reboot) via a crafted media file, aka internal bug 28470138.

The weakness was released 07/06/2016 as Android Security Bulletin - July 2016 as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2016-3755 since 03/30/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/22/2019). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 6.x 2016-07-01 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at 88897, 88898, 88899 and 88900.

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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Input validation
CWE: CWE-20
ATT&CK: Unknown

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.x 2016-07-01

Timelineinfo

03/30/2016 🔍
07/06/2016 +98 days 🔍
07/06/2016 +0 days 🔍
07/10/2016 +4 days 🔍
07/11/2016 +1 days 🔍
02/22/2019 +956 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - July 2016
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3755 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 07/11/2016 11:04
Updated: 02/22/2019 08:16
Changes: 07/11/2016 11:04 (56), 02/22/2019 08:16 (10)
Complete: 🔍