Apple tvOS up to 12.2.1 Kernel use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple tvOS up to 12.2.1 and classified as critical. This impacts an unknown function of the component Kernel. This manipulation causes use after free. This vulnerability is registered as CVE-2019-8605. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple tvOS up to 12.2.1 (Digital Media Player). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Kernel. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 05/13/2019 with Google Project Zero as HT210120 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2019-8605 since 02/18/2019. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The advisory points out:

A use after free issue was addressed with improved memory management.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371785 (Apple macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra Not Installed (HT210119)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 06/27/2022 with a due date of 07/18/2022:

Apply updates per vendor instructions.

Upgrading to version 12.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47409). Similar entries are available at VDB-134840, VDB-134841, VDB-134842 and VDB-134843. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.3
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

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KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 12.3

Timelineinfo

02/18/2019 🔍
05/13/2019 +84 days 🔍
05/13/2019 +0 days 🔍
05/15/2019 +2 days 🔍
01/29/2025 +2086 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210120
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8605 (🔍)
GCVE (CVE): GCVE-0-2019-8605
GCVE (VulDB): GCVE-100-134935
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/15/2019 09:24
Updated: 01/29/2025 20:46
Changes: 05/15/2019 09:24 (63), 06/11/2020 14:38 (2), 09/19/2023 07:56 (4), 04/27/2024 08:32 (25), 09/09/2024 22:30 (1), 11/24/2024 07:57 (3), 01/29/2025 20:46 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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