Google Android Webview BadKernel injection

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Google Android. Affected is an unknown function of the component Webview. Such manipulation leads to injection (BadKernel). This vulnerability is listed as CVE-2016-6754. The attack may be performed from remote. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

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 Webview. The manipulation with an unknown input leads to a injection vulnerability (BadKernel). Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The bug was discovered 09/06/2016. The weakness was presented 11/07/2016 by Guang Gong with Qihoo 360 as Android Security Bulletin - November 2016 as confirmed security bulletin (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2016-6754 since 08/11/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

A public exploit has been developed by Guang Gong in HTML/Javascript and been published 3 weeks after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 62 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 264239 (Linux Distros Unpatched Vulnerability : CVE-2016-6754), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40846), Tenable (264239) and SecurityFocus (BID 94204†). See VDB-87972, VDB-93436, VDB-93466 and VDB-93476 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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

Name: BadKernel
Class: Injection / BadKernel
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Guang Gong
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 264239
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2016-6754

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/11/2016 🔍
09/06/2016 +26 days 🔍
11/07/2016 +62 days 🔍
11/07/2016 +0 days 🔍
11/07/2016 +0 days 🔍
11/09/2016 +2 days 🔍
11/25/2016 +16 days 🔍
11/28/2016 +3 days 🔍
11/28/2016 +0 days 🔍
09/13/2025 +3211 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - November 2016
Researcher: Guang Gong
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6754 (🔍)
GCVE (CVE): GCVE-0-2016-6754
GCVE (VulDB): GCVE-100-93488
SecurityFocus: 94204 - Google Android CVE-2016-6754 Remote Code Execution Vulnerability

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

Entryinfo

Created: 11/09/2016 14:43
Updated: 09/13/2025 22:57
Changes: 11/09/2016 14:43 (74), 07/31/2019 18:58 (6), 09/30/2022 14:57 (4), 06/11/2024 14:13 (15), 09/13/2025 22:57 (2)
Complete: 🔍
Cache ID: 216:DAE:103

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

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