VDB-95252 · CVE-2016-8391 · BID 94681

Google Android Qualcomm Sound Driver 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.
7.2$25k-$100k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Google Android. This vulnerability affects unknown code of the component Qualcomm Sound Driver. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2016-8391. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version unknown) and classified as critical. Affected by this issue is an unknown part of the component Qualcomm Sound Driver. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An elevation of privilege vulnerability in the Qualcomm sound driver could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as High because it first requires compromising a privileged process. Product: Android. Versions: Kernel-3.10, Kernel-3.18. Android ID: A-31253255. References: QC-CR#1072166.

The bug was discovered 12/05/2016. The weakness was disclosed 01/12/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2016-8391 since 10/05/2016. The attack needs to be approached locally. A simple authentication is necessary for exploitation. 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 $25k-$100k (estimation calculated on 07/20/2020). 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 38 days. During that time the estimated underground price was around $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94681†). The entries VDB-90448, VDB-90450, VDB-95213 and VDB-95214 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/05/2016 🔍
12/05/2016 +61 days 🔍
12/05/2016 +0 days 🔍
01/12/2017 +38 days 🔍
01/12/2017 +0 days 🔍
01/13/2017 +1 days 🔍
07/20/2020 +1284 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8391 (🔍)
GCVE (CVE): GCVE-0-2016-8391
GCVE (VulDB): GCVE-100-95252
SecurityFocus: 94681 - Google Nexus Qualcomm Sound Driver Multiple Privilege Escalation Vulnerabilities
OSVDB: - CVE-2016-8391 - Linux - Kernel - Privilege Escalation Issue

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

Entryinfo

Created: 01/13/2017 08:10
Updated: 07/20/2020 16:58
Changes: 01/13/2017 08:10 (60), 07/20/2020 16:58 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!