Apple macOS up to 10.11 Kernel access control

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

Summaryinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.11. Affected is an unknown function of the component Kernel. Performing a manipulation results in access control. This vulnerability is identified as CVE-2016-4778. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.11 (Operating System). This affects some unknown processing of the component Kernel. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The kernel in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

The weakness was released 09/20/2016 by YoungJin Yoon with CESG as HT207170 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-4778 since 05/11/2016. The exploitability is told to be easy. Attacking locally is a requirement. Required for exploitation is 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 attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 93776 (Apple TV < 10 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.

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 (93776) and SecurityFocus (BID 93054†). Entries connected to this vulnerability are available at VDB-91603, VDB-91618, VDB-91993 and VDB-91997. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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: 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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Nessus ID: 93776
Nessus Name: Apple TV < 10 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 🔍
09/25/2016 +5 days 🔍
09/26/2016 +1 days 🔍
09/28/2016 +2 days 🔍
09/21/2022 +2184 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207170
Researcher: YoungJin Yoon
Organization: CESG
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4778 (🔍)
GCVE (CVE): GCVE-0-2016-4778
GCVE (VulDB): GCVE-100-92091
SecurityFocus: 93054 - Apple iOS/tvOS/MacOS/watchOS Multiple Security Vulnerabilities
SecurityTracker: 1036858

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

Entryinfo

Created: 09/26/2016 11:34
Updated: 09/21/2022 07:34
Changes: 09/26/2016 11:34 (71), 04/26/2019 06:13 (13), 09/21/2022 07:34 (4)
Complete: 🔍
Cache ID: 216::103

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