Apple iOS/iPadOS up to 16.2 Kernel information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple iOS and iPadOS up to 16.2. Affected by this issue is some unknown functionality of the component Kernel. The manipulation leads to information disclosure. This vulnerability is traded as CVE-2023-23502. An attack has to be approached locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 16.2 (Smartphone Operating System) and classified as problematic. This issue affects an unknown code of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

An information disclosure issue was addressed by removing the vulnerable code. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3, tvOS 16.3, watchOS 9.3. An app may be able to determine kernel memory layout.

The weakness was shared 01/23/2023 by Pan ZhenPeng as HT213606 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-23502. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue. The advisory points out:

An app may be able to determine kernel memory layout

Upgrading to version 16.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An information disclosure issue was addressed by removing the vulnerable code.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27602). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: iOS/iPadOS 16.3

Timelineinfo

01/12/2023 🔍
01/23/2023 +11 days 🔍
01/23/2023 +0 days 🔍
01/24/2023 +1 days 🔍
10/10/2025 +990 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213606
Researcher: Pan ZhenPeng
Status: Confirmed

CVE: CVE-2023-23502 (🔍)
GCVE (CVE): GCVE-0-2023-23502
GCVE (VulDB): GCVE-100-219209
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/24/2023 10:58
Updated: 10/10/2025 16:12
Changes: 01/24/2023 10:58 (19), 01/24/2023 11:01 (28), 02/18/2023 15:34 (1), 03/12/2025 16:01 (27), 10/10/2025 16:12 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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