Apple tvOS up to 15.5.1 CoreText Remote Code Execution

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple tvOS up to 15.5.1. This affects an unknown function of the component CoreText. This manipulation causes an unknown weakness. This vulnerability is handled as CVE-2022-32839. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple tvOS up to 15.5.1 (Digital Media Player). Affected by this vulnerability is an unknown functionality of the component CoreText. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved bounds checks. This issue is fixed in macOS Monterey 12.5, macOS Big Sur 11.6.8, Security Update 2022-005 Catalina, iOS 15.6 and iPadOS 15.6, tvOS 15.6, watchOS 8.7. A remote user may cause an unexpected app termination or arbitrary code execution.

The weakness was released 07/20/2022 with STAR Labs as HT213342 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2022-32839. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A remote user may cause an unexpected app termination or arbitrary code execution

Upgrading to version 15.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

The issue was addressed with improved bounds checks.

Be aware that VulDB is the high quality 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: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 15.6

Timelineinfo

06/09/2022 🔍
07/20/2022 +41 days 🔍
07/20/2022 +0 days 🔍
07/21/2022 +1 days 🔍
05/29/2025 +1043 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213342
Organization: STAR Labs
Status: Confirmed

CVE: CVE-2022-32839 (🔍)
GCVE (CVE): GCVE-0-2022-32839
GCVE (VulDB): GCVE-100-204751

Entryinfo

Created: 07/21/2022 18:50
Updated: 05/29/2025 21:56
Changes: 07/21/2022 18:50 (18), 07/21/2022 18:53 (27), 08/16/2022 11:04 (1), 05/29/2025 21:56 (27)
Complete: 🔍
Cache ID: 216::103

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