Apple macOS prior 11.7.3/12.6.3 Compression access control

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS. It has been classified as critical. Affected by this issue is some unknown functionality of the component Compression Handler. This manipulation causes access control. This vulnerability is handled as CVE-2022-42834. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple macOS (Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component Compression Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13, macOS Big Sur 11.7.3. An app may be able to access mail folder attachments through a temporary directory used during compression

The weakness was released 06/24/2023. The advisory is shared at support.apple.com. This vulnerability is known as CVE-2022-42834 since 10/11/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 11.7.3 or 12.6.3 eliminates this vulnerability.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: 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: 🔍

0-Day Time: 🔍

Upgrade: macOS 11.7.3/12.6.3

Timelineinfo

10/11/2022 🔍
06/23/2023 +255 days 🔍
06/24/2023 +0 days 🔍
12/10/2024 +535 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2022-42834 (🔍)
GCVE (CVE): GCVE-0-2022-42834
GCVE (VulDB): GCVE-100-232321
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 06/24/2023 01:06
Updated: 12/10/2024 18:39
Changes: 06/24/2023 01:06 (41), 07/18/2023 12:37 (11), 12/10/2024 18:39 (26)
Complete: 🔍
Cache ID: 216::103

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

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