Apple watchOS up to 8.5.1 Security certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple watchOS up to 8.5.1. The impacted element is an unknown function of the component Security. Executing a manipulation can lead to certificate validation. This vulnerability is handled as CVE-2022-26766. It is possible to launch the attack on the local host. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS up to 8.5.1 (Smartwatch Operating System). It has been declared as problematic. This vulnerability affects an unknown code block of the component Security. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 05/16/2022 by Linus Henze as HT213253 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2022-26766. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project. The advisory points out:

A malicious app may be able to bypass signature validation

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept.

Upgrading to version 8.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A certificate parsing issue was addressed with improved checks.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.5
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 8.6

Timelineinfo

03/08/2022 🔍
05/16/2022 +68 days 🔍
05/16/2022 +0 days 🔍
05/17/2022 +1 days 🔍
05/31/2025 +1109 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213253
Researcher: Linus Henze
Status: Confirmed

CVE: CVE-2022-26766 (🔍)
GCVE (CVE): GCVE-0-2022-26766
GCVE (VulDB): GCVE-100-200086
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/17/2022 18:51
Updated: 05/31/2025 00:08
Changes: 05/17/2022 18:51 (19), 05/17/2022 18:55 (27), 05/24/2022 10:33 (1), 05/28/2022 09:14 (1), 06/12/2024 19:10 (23), 05/31/2025 00:08 (19)
Complete: 🔍
Cache ID: 216::103

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