Apple macOS up to 12.5.1 Kernel buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k1.52

Summaryinfo

A vulnerability classified as critical has been found in Apple macOS up to 12.5.1. The impacted element is an unknown function of the component Kernel. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2022-32917. It is possible to launch the attack on the local host. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 12.5.1 (Operating System). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Kernel. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 09/12/2022 as HT213444 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2022-32917. Technical details are unknown but an exploit is available. The advisory points out:

An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 09/14/2022 with a due date of 10/05/2022:

Apply updates per vendor instructions.

Upgrading to version 12.6 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.

The vulnerability is also documented in the databases at Zero-Day.cz (717) and EUVD (EUVD-2022-35983). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 12.6

Timelineinfo

06/09/2022 🔍
09/12/2022 +95 days 🔍
09/12/2022 +0 days 🔍
09/14/2022 +2 days 🔍
06/06/2026 +1361 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213444
Status: Confirmed

CVE: CVE-2022-32917 (🔍)
GCVE (CVE): GCVE-0-2022-32917
GCVE (VulDB): GCVE-100-208501
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 09/14/2022 08:26
Updated: 06/06/2026 02:01
Changes: 09/14/2022 08:26 (15), 09/14/2022 08:27 (2), 09/14/2022 08:30 (29), 10/16/2022 22:08 (2), 10/16/2022 22:17 (10), 04/27/2024 16:54 (27), 06/17/2024 05:29 (2), 09/25/2024 12:29 (1), 01/29/2025 17:48 (11), 06/06/2026 02:01 (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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