Apple tvOS up to 13.4.4 Kernel use after free

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CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apple tvOS up to 13.4.4 (Digital Media Player). Affected by this issue is an unknown code block of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-416. Impacted is confidentiality, integrity, and availability.

The weakness was published 05/26/2020 by Zhuo Liang with Qihoo 360 Vulcan Team as HT211171 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2020-9795 since 03/02/2020. The attack needs to be approached locally. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

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

Upgrading to version 13.4.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at 155685, 155707, 155708 and 155709.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 13.4.5

Timelineinfoedit

03/02/2020 🔍
05/26/2020 +85 days 🔍
05/26/2020 +0 days 🔍
05/29/2020 +3 days 🔍
10/19/2020 +143 days 🔍

Sourcesinfoedit

Vendor: https://www.apple.com/

Advisory: HT211171
Researcher: Zhuo Liang
Organization: Qihoo 360 Vulcan Team
Status: Confirmed

CVE: CVE-2020-9795 (🔍)
See also: 🔍

Entryinfoedit

Created: 05/30/2020 12:31 AM
Updated: 10/19/2020 07:41 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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