Apple macOS Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS. It has been classified as critical. This issue affects some unknown processing of the component Kernel. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2023-23504. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple macOS (Operating System) (unknown version) and classified as critical. This issue affects 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-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, watchOS 9.3, iOS 15.7.3 and iPadOS 15.7.3, tvOS 16.3, iOS 16.3 and iPadOS 16.3. An app may be able to execute arbitrary code with kernel privileges.

The weakness was published 01/23/2023 by Adam Doupé as HT213605 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-23504. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An app may be able to execute arbitrary code with kernel privileges

Upgrading 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 memory handling.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27604). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 🔍

Timelineinfo

01/12/2023 🔍
01/23/2023 +11 days 🔍
01/23/2023 +0 days 🔍
01/24/2023 +1 days 🔍
10/11/2025 +991 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213605
Researcher: Adam Doupé
Status: Confirmed

CVE: CVE-2023-23504 (🔍)
GCVE (CVE): GCVE-0-2023-23504
GCVE (VulDB): GCVE-100-219245
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 01/24/2023 11:18
Updated: 10/11/2025 17:28
Changes: 01/24/2023 11:18 (17), 01/24/2023 11:21 (28), 02/19/2023 08:41 (1), 03/11/2025 23:02 (38), 10/11/2025 17:28 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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