Apple macOS 10.12.0 System Boot input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple macOS 10.12.0. Affected by this issue is some unknown functionality of the component System Boot. The manipulation results in input validation. This vulnerability is reported as CVE-2016-4669. The attack requires a local approach. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS 10.12.0 (Operating System). Affected is an unknown function of the component System Boot. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 10/24/2016 by Ian Beer with Google Project Zero as HT207275 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2016-4669 since 05/11/2016. The exploitability is told to be easy. The attack needs to be approached locally. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple input validation issues existed in MIG generated code. These issues were addressed through improved validation.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 94337 (Apple TV < 10.0.1 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 370175 (Apple Mac OS X Security Update Sierra 10.12.1, El Capitan 2016-002 and Yosemite 2016-006 Not Installed (APPLE-SA-2016-10-24-2)).

Upgrading to version 10.12.1 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 Exploit-DB (40654), Tenable (94337) and SecurityFocus (BID 93849†). The entries VDB-93042, VDB-93046, VDB-93047 and VDB-93052 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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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: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94337
Nessus Name: Apple TV < 10.0.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-04 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12.1

Timelineinfo

05/11/2016 🔍
10/24/2016 +166 days 🔍
10/24/2016 +0 days 🔍
10/24/2016 +0 days 🔍
10/25/2016 +1 days 🔍
10/27/2016 +2 days 🔍
02/20/2017 +116 days 🔍
12/26/2024 +2866 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207275
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-4669 (🔍)
GCVE (CVE): GCVE-0-2016-4669
GCVE (VulDB): GCVE-100-93072
SecurityFocus: 93849 - Apple macOS/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1037086

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

Entryinfo

Created: 10/25/2016 09:12
Updated: 12/26/2024 09:17
Changes: 10/25/2016 09:12 (63), 05/17/2019 17:12 (27), 09/28/2022 12:27 (5), 12/26/2024 09:17 (14)
Complete: 🔍
Cache ID: 216:842:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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