Apple macOS up to 10.15.2 Kernel memory corruption

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

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple macOS up to 10.15.2. Affected is an unknown function of the component Kernel. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2020-3836. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.15.2 (Operating System). It has been rated as problematic. Affected by this issue is an unknown functionality 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. CVE summarizes:

An access issue was addressed with improved memory management. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. A malicious application may be able to determine kernel memory layout.

The weakness was presented 01/28/2020 by Brandon Azad with Google Project Zero as HT210919 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2020-3836. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

An access issue was addressed with improved memory management.

Upgrading to version 10.15.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-150559, VDB-150560, VDB-150561 and VDB-150562 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 10.15.3

Timelineinfo

12/18/2019 🔍
01/28/2020 +41 days 🔍
01/28/2020 +0 days 🔍
02/28/2020 +31 days 🔍
04/06/2024 +1499 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210919
Researcher: Brandon Azad
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-3836 (🔍)
GCVE (CVE): GCVE-0-2020-3836
GCVE (VulDB): GCVE-100-150578
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 02/28/2020 13:22
Updated: 04/06/2024 11:22
Changes: 02/28/2020 13:22 (48), 02/28/2020 13:27 (17), 04/06/2024 11:22 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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