Google Android Kernel Security Subsystem memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Google Android. The impacted element is an unknown function of the component Kernel Security Subsystem. The manipulation results in memory corruption. This vulnerability is reported as CVE-2016-7042. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version not known). It has been classified as critical. Affected is some unknown functionality of the component Kernel Security Subsystem. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 09/07/2016. The weakness was disclosed 01/05/2017 with Red Hat as Android Security Bulletin - January 2017 as confirmed advisory (Website). The advisory is shared for download at source.android.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2016-7042 since 08/23/2016. The attack needs to be approached locally. A authentication is required for exploitation. 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 10/27/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 97962 (CentOS 6 : kernel (CESA-2017:0817)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175865 (Debian Security Update for linux (DSA 3696-1) (Dirty Cow)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97962) and SecurityFocus (BID 93544†). The entries VDB-92732, VDB-94929, VDB-94930 and VDB-94931 are pretty similar. 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: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97962
Nessus Name: CentOS 6 : kernel (CESA-2017:0817)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703696
OpenVAS Name: Debian Security Advisory DSA 3696-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/23/2016 🔍
09/07/2016 +15 days 🔍
10/13/2016 +36 days 🔍
10/16/2016 +3 days 🔍
01/04/2017 +80 days 🔍
01/05/2017 +1 days 🔍
01/05/2017 +0 days 🔍
03/27/2017 +81 days 🔍
10/27/2022 +2040 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - January 2017
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-7042 (🔍)
GCVE (CVE): GCVE-0-2016-7042
GCVE (VulDB): GCVE-100-94992

OVAL: 🔍

SecurityFocus: 93544 - Linux Kernel CVE-2016-7042 Local Denial of Service Vulnerability
OSVDB: - CVE-2016-7042 - Linux - Memory Corruption Issue

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

Entryinfo

Created: 01/04/2017 18:43
Updated: 10/27/2022 12:53
Changes: 01/04/2017 18:43 (79), 07/14/2020 12:34 (7), 10/27/2022 12:53 (4)
Complete: 🔍
Cache ID: 216::103

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