Apple macOS up to 10.12.0 Thunderbolt null pointer dereference

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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple macOS up to 10.12.0. Affected by this vulnerability is an unknown functionality of the component Thunderbolt. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2016-4780. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.12.0 (Operating System). Affected by this issue is an unknown code block of the component Thunderbolt. 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:

An issue was discovered in certain Apple products. macOS before 10.12.1 is affected. The issue involves the "Thunderbolt" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.

The bug was discovered 11/29/2016. The weakness was published 02/20/2017 by Omer Medan with Google Project Zero (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2016-4780 since 05/11/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 94253 (macOS 10.12.x < 10.12.1 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 10.12.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94253) and SecurityFocus (BID 93849†). Similar entries are available at VDB-93042, VDB-93046, VDB-93047 and VDB-93044. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 94253
Nessus Name: macOS 10.12.x < 10.12.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-03 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: macOS 10.12.1

Timelineinfo

05/11/2016 🔍
10/24/2016 +166 days 🔍
10/24/2016 +0 days 🔍
10/25/2016 +1 days 🔍
11/29/2016 +35 days 🔍
02/20/2017 +83 days 🔍
02/20/2017 +0 days 🔍
02/20/2017 +0 days 🔍
08/16/2020 +1273 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Researcher: Omer Medan
Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4780 (🔍)
GCVE (CVE): GCVE-0-2016-4780
GCVE (VulDB): GCVE-100-97130
SecurityFocus: 93849 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
OSVDB: - CVE-2016-4780 - Apple - macOS - Code Execution Issue

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

Entryinfo

Created: 02/20/2017 15:01
Updated: 08/16/2020 07:40
Changes: 02/20/2017 15:01 (77), 08/16/2020 07:40 (4)
Complete: 🔍
Cache ID: 216::103

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