Apple watchOS Certificate denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple watchOS. Affected by this issue is some unknown functionality of the component Certificate Handler. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2023-23524. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple watchOS (Smartwatch Operating System) (affected version unknown). This issue affects an unknown functionality of the component Certificate Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A denial-of-service issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.2.1, iOS 16.3.1 and iPadOS 16.3.1, tvOS 16.3.2, watchOS 9.3.1. Processing a maliciously crafted certificate may lead to a denial-of-service.

The weakness was published 02/28/2023. It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2023-23524 since 01/12/2023. 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 attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27624). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2023 🔍
02/28/2023 +47 days 🔍
02/28/2023 +0 days 🔍
10/12/2025 +957 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2023-23524 (🔍)
GCVE (CVE): GCVE-0-2023-23524
GCVE (VulDB): GCVE-100-221915
EUVD: 🔍

Entryinfo

Created: 02/28/2023 08:11
Updated: 10/12/2025 02:29
Changes: 02/28/2023 08:11 (39), 03/26/2023 07:32 (11), 10/12/2025 02:29 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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