Apple tvOS up to 12.1.1 Kernel out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple tvOS up to 12.1.1. This affects an unknown part of the component Kernel. The manipulation results in out-of-bounds. This vulnerability is cataloged as CVE-2019-6209. The attack must be initiated from a local position. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple tvOS up to 12.1.1 (Digital Media Player). Affected is an unknown code block of the component Kernel. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.

The bug was discovered 01/22/2019. The weakness was shared 01/22/2019 by Brandon Azad with Google Project Zero as HT209447 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2019-6209 since 01/11/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.

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 121391 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2019-001)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371589 (Apple macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra Not Installed (HT209446)).

Upgrading to version 12.1.2 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 Tenable (121391) and SecurityFocus (BID 106323†). The entries VDB-128295, VDB-130034, VDB-130004 and VDB-130005 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121391
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2019-001)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 12.1.2

Timelineinfo

12/14/2018 🔍
01/11/2019 +28 days 🔍
01/22/2019 +11 days 🔍
01/22/2019 +0 days 🔍
01/22/2019 +0 days 🔍
01/23/2019 +1 days 🔍
01/25/2019 +2 days 🔍
01/29/2025 +2196 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209447
Researcher: Brandon Azad
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-6209 (🔍)
GCVE (CVE): GCVE-0-2019-6209
GCVE (VulDB): GCVE-100-130044
SecurityFocus: 106323 - SQLite CVE-2018-20346 Remote Integer Overflow Vulnerability

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

Entryinfo

Created: 01/23/2019 12:47
Updated: 01/29/2025 23:57
Changes: 01/23/2019 12:47 (70), 05/04/2020 17:49 (12), 07/02/2023 14:28 (5), 01/29/2025 23:57 (21)
Complete: 🔍
Cache ID: 216::103

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