Apple macOS up to 12.0 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 12.0. It has been classified as critical. The impacted element is an unknown function of the component Kernel. This manipulation causes memory corruption. This vulnerability appears as CVE-2021-30909. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple macOS up to 12.0 (Operating System). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/25/2021 by Zweig as HT212869 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2021-30909. Neither technical details nor an exploit are publicly available. The advisory points out:

An application may be able to execute arbitrary code with kernel privileges

Upgrading to version 12.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved memory handling.

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: 7.8
VulDB Meta Temp Score: 7.5

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

CVSSv2info

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

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 12.0.1

Timelineinfo

04/13/2021 🔍
10/25/2021 +195 days 🔍
10/25/2021 +0 days 🔍
10/27/2021 +2 days 🔍
10/31/2021 +4 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212869
Researcher: Zweig
Status: Confirmed

CVE: CVE-2021-30909 (🔍)
GCVE (CVE): GCVE-0-2021-30909
GCVE (VulDB): GCVE-100-185533
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/27/2021 09:01
Updated: 10/31/2021 14:26
Changes: 10/27/2021 09:01 (19), 10/27/2021 09:04 (28), 10/31/2021 14:26 (2)
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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