Apple macOS up to 10.11 IOAcceleratorFamily 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, which was classified as problematic, has been found in Apple macOS up to 10.11. This impacts an unknown function of the component IOAcceleratorFamily. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2016-4724. The attack must be initiated from a local position. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.11 (Operating System). This affects an unknown functionality of the component IOAcceleratorFamily. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IOAcceleratorFamily in Apple iOS before 10 and OS X before 10.12 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.

The weakness was shared 09/20/2016 by Martin Vigo (Cererdlong) with Zero Day Initiative as HT207170 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-4724 since 05/11/2016. The exploitability is told to be easy. Attacking locally is a requirement. The successful exploitation needs a 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 advisory points out:

A null pointer dereference was addressed through improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 93685 (macOS < 10.12 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c.

Upgrading to version 10.12 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 (93685) and SecurityFocus (BID 93056†). The entries VDB-89145, VDB-91604, VDB-91602 and VDB-91605 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

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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: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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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Nessus ID: 93685
Nessus Name: macOS < 10.12 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64377
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 September-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12

Timelineinfo

05/11/2016 🔍
09/20/2016 +132 days 🔍
09/20/2016 +0 days 🔍
09/20/2016 +0 days 🔍
09/23/2016 +3 days 🔍
09/25/2016 +2 days 🔍
09/26/2016 +1 days 🔍
09/20/2022 +2185 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207170
Researcher: Martin Vigo (Cererdlong)
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4724 (🔍)
GCVE (CVE): GCVE-0-2016-4724
GCVE (VulDB): GCVE-100-92079
SecurityFocus: 93056 - Apple iOS and Mac OS Multiple Security Vulnerabilities
SecurityTracker: 1036858

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 09/26/2016 11:34
Updated: 09/20/2022 20:26
Changes: 09/26/2016 11:34 (69), 04/25/2019 18:43 (15), 09/20/2022 20:26 (4)
Complete: 🔍
Cache ID: 216:F3B:103

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