Apple macOS up to 10.15.0 Kernel Memory input validation

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

Summaryinfo

A vulnerability was found in Apple macOS up to 10.15.0. It has been declared as problematic. The affected element is an unknown function of the component Kernel. The manipulation results in input validation (Memory). This vulnerability is reported as CVE-2019-8794. The attack requires a local approach. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple macOS up to 10.15.0 (Operating System). Affected is some unknown processing of the component Kernel. The manipulation with an unknown input leads to a input validation vulnerability (Memory). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality.

The weakness was disclosed 10/29/2019 by 08Tc3wBB as HT210722 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2019-8794. The attack needs to be approached locally. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A validation issue was addressed with improved input sanitization.

Upgrading to version 10.15.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-144512, VDB-144538, VDB-144577 and VDB-144590 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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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

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

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Input validation / Memory
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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 10.15.1

Timelineinfo

02/18/2019 🔍
10/29/2019 +253 days 🔍
10/29/2019 +0 days 🔍
10/31/2019 +2 days 🔍
01/31/2024 +1553 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210722
Researcher: 08Tc3wBB
Status: Confirmed

CVE: CVE-2019-8794 (🔍)
GCVE (CVE): GCVE-0-2019-8794
GCVE (VulDB): GCVE-100-144612
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 10/31/2019 08:38
Updated: 01/31/2024 14:35
Changes: 10/31/2019 08:38 (48), 10/31/2019 08:43 (16), 01/31/2024 14:35 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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