Apple tvOS up to 9.2.1 Kernel memory corruption

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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 9.2.1. It has been rated as critical. This affects an unknown part of the component Kernel. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2016-1863. The attack requires a local approach. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple tvOS up to 9.2.1 (Digital Media Player). It has been classified as critical. This affects an unknown function of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 07/18/2016 by Ian Beer (Shrek_wzw) with Google Project Zero as HT206905 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2016-1863 since 01/13/2016. The exploitability is told to be easy. An attack has 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 memory corruption issues were addressed through improved memory handling.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 92496 (Mac OS X 10.11.x < 10.11.6 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. 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 9.2.2 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 (40652), Tenable (92496) and SecurityFocus (BID 91828†). The entries VDB-88079, VDB-89684, VDB-89686 and VDB-89687 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

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Price Prediction: 🔍
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Nessus ID: 92496
Nessus Name: Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63631
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities December-2016
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: tvOS 9.2.2

Timelineinfo

01/13/2016 🔍
07/18/2016 +187 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 🔍
09/29/2024 +2992 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206905
Researcher: Ian Beer (Shrek_wzw)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1863 (🔍)
GCVE (CVE): GCVE-0-2016-1863
GCVE (VulDB): GCVE-100-89817
SecurityFocus: 91828 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1036344

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/19/2016 19:45
Updated: 09/29/2024 19:03
Changes: 07/19/2016 19:45 (71), 03/03/2019 15:53 (16), 09/06/2022 14:16 (4), 09/29/2024 19:03 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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