Apple macOS up to 13.2.1 dcerpc initialization

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple macOS up to 13.2.1. Impacted is an unknown function of the component dcerpc. The manipulation leads to initialization. This vulnerability is referenced as CVE-2023-27934. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 13.2.1 (Operating System). It has been rated as critical. This issue affects some unknown processing of the component dcerpc. The manipulation with an unknown input leads to a initialization vulnerability. Using CWE to declare the problem leads to CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A memory initialization issue was addressed. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

The weakness was published 03/27/2023 by Aleksandar Nikolic as HT213670 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-27934. Neither technical details nor an exploit are publicly available. The advisory points out:

A remote user may be able to cause unexpected app termination or arbitrary code execution

Upgrading to version 13.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory initialization issue was addressed.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31660). 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

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Initialization
CWE: CWE-665
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: 🔍

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

Upgrade: macOS 13.3

Timelineinfo

03/08/2023 🔍
03/27/2023 +18 days 🔍
03/27/2023 +0 days 🔍
03/29/2023 +2 days 🔍
11/28/2025 +975 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213670
Researcher: Aleksandar Nikolic
Status: Confirmed

CVE: CVE-2023-27934 (🔍)
GCVE (CVE): GCVE-0-2023-27934
GCVE (VulDB): GCVE-100-224405
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 03/29/2023 15:16
Updated: 11/28/2025 14:52
Changes: 03/29/2023 15:16 (19), 03/29/2023 15:20 (28), 04/19/2023 11:03 (1), 01/30/2025 10:19 (35), 11/28/2025 14:52 (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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