VDB-91432 · CVE-2016-3887 · BID 92872

Google Android prior 7.0 Settings access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$5k-$25k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Google Android. Affected by this vulnerability is an unknown functionality of the component Settings. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2016-3887. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Google Android (Smartphone Operating System). This vulnerability affects an unknown code block of the component Settings. 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. CVE summarizes:

providers/settings/SettingsProvider.java in Android 7.0 before 2016-09-01 does not properly enforce the DISALLOW_CONFIG_VPN setting, which allows attackers to bypass an intended always-on VPN state via a crafted application, aka internal bug 29899712.

The weakness was disclosed 09/06/2016 with Google as Android Security Bulletin - September 2016 as confirmed security bulletin (Website). The advisory is shared for download at source.android.com. This vulnerability was named CVE-2016-3887 since 03/30/2016. The attack needs to be approached locally. The requirement for exploitation is a single authentication. 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 $5k-$25k (estimation calculated on 09/15/2022). 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.

Upgrading to version 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 92872†). The entries VDB-91415, VDB-91416, VDB-91417 and VDB-91418 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

License

Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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 7.0

Timelineinfo

03/30/2016 🔍
09/06/2016 +160 days 🔍
09/06/2016 +0 days 🔍
09/06/2016 +0 days 🔍
09/11/2016 +5 days 🔍
09/11/2016 +0 days 🔍
09/15/2022 +2195 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - September 2016
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3887 (🔍)
GCVE (CVE): GCVE-0-2016-3887
GCVE (VulDB): GCVE-100-91432
SecurityFocus: 92872 - Google Android CVE-2016-3887 Remote Privilege Escalation Vulnerability
SecurityTracker: 1036763

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

Entryinfo

Created: 09/11/2016 12:29
Updated: 09/15/2022 13:50
Changes: 09/11/2016 12:29 (55), 04/14/2019 08:25 (13), 09/15/2022 13:50 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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