Apple iOS up to 9.3.2 IOHIDFamily null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 9.3.2. It has been declared as critical. The impacted element is an unknown function of the component IOHIDFamily. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2016-4626. The attack can only be performed from a local environment. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 9.3.2 (Smartphone Operating System) and classified as critical. Affected by this issue is some unknown processing of the component IOHIDFamily. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IOHIDFamily in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows local users to gain privileges or cause a denial of service (NULL pointer dereference) via unspecified vectors.

The weakness was published 07/18/2016 by Stefan Esser with Cisco Talos as HT206902 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2016-4626 since 05/11/2016. Local access is required to approach this attack. Required for exploitation is a simple authentication. The technical details are unknown and an exploit is not available. The advisory points out:

A null pointer dereference was addressed through improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 92494 (Apple TV < 9.2.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370095 (Apple Mac OS X v10.11.6 and Security Update 2016-004 Not Installed (APPLE-SA-2016-07-18-1)).

Upgrading to version 9.3.3 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 (92494) and SecurityFocus (BID 91834†). Similar entries are available at VDB-89675, VDB-89684, VDB-89686 and VDB-89687. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 92494
Nessus Name: Apple TV < 9.2.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities December-2016
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: 🔍

Upgrade: iOS 9.3.3

Timelineinfo

05/11/2016 🔍
07/18/2016 +68 days 🔍
07/18/2016 +0 days 🔍
07/18/2016 +0 days 🔍
07/19/2016 +1 days 🔍
07/21/2016 +2 days 🔍
07/21/2016 +0 days 🔍
09/05/2022 +2237 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206902
Researcher: Stefan Esser
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4626 (🔍)
GCVE (CVE): GCVE-0-2016-4626
GCVE (VulDB): GCVE-100-89690
SecurityFocus: 91834 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1036344

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

Entryinfo

Created: 07/19/2016 16:33
Updated: 09/05/2022 13:20
Changes: 07/19/2016 16:33 (62), 03/03/2019 10:04 (25), 09/05/2022 13:20 (4)
Complete: 🔍
Cache ID: 216:694:103

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