VDB-90475 · CVE-2016-3838 · BID 92244

Google Android 6.0 System UI access control

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android 6.0. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component System UI. This manipulation causes access control. This vulnerability is registered as CVE-2016-3838. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Android 6.0 (Smartphone Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component System UI. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect availability. The summary by CVE is:

Android 6.x before 2016-08-01 allows attackers to cause a denial of service (loss of locked-screen 911 functionality) via a crafted application that uses the app-pinning feature, aka internal bug 28761672.

The weakness was published 08/01/2016 as Android Security Bulletin - August 2016 as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2016-3838 since 03/30/2016. The exploitation appears to be easy. Attacking locally is a requirement. The successful exploitation requires 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 attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92244†). Similar entries are available at VDB-90455, VDB-90456, VDB-90457 and VDB-90458. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

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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: 🔍

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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 6.0/6.0.1

Timelineinfo

03/30/2016 🔍
08/01/2016 +124 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
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3838 (🔍)
GCVE (CVE): GCVE-0-2016-3838
GCVE (VulDB): GCVE-100-90475
SecurityFocus: 92244 - Google Android System UI CVE-2016-3838 Denial of Service Vulnerability

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

Entryinfo

Created: 08/06/2016 14:02
Updated: 03/19/2019 08:49
Changes: 08/06/2016 14:02 (57), 03/19/2019 08:49 (13)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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