Apple macOS up to 12.0 IOGraphics 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, which was classified as critical, was found in Apple macOS up to 12.0. This issue affects some unknown processing of the component IOGraphics. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2021-30821. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 12.0 (Operating System) and classified as critical. This vulnerability affects some unknown functionality of the component IOGraphics. 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 published 10/25/2021 by Tim Michaud as HT212869 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2021-30821. The technical details are unknown and an exploit is not available. The advisory points out:

A malicious 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 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: 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: Tim Michaud
Status: Confirmed

CVE: CVE-2021-30821 (🔍)
GCVE (CVE): GCVE-0-2021-30821
GCVE (VulDB): GCVE-100-185530
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/27/2021 09:00
Updated: 10/31/2021 14:15
Changes: 10/27/2021 09:00 (19), 10/27/2021 09:03 (28), 10/31/2021 14:15 (2)
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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