Apple macOS AppKit Remote Code Execution

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple macOS. This affects an unknown function of the component AppKit. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2021-30790. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple macOS (Operating System) (the affected version is unknown). This issue affects an unknown code of the component AppKit. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/21/2021 by hjy79425575 as HT212602 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2021-30790. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution

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

An information disclosure issue was addressed by removing the vulnerable code.

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

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 🔍

Timelineinfo

04/13/2021 🔍
07/21/2021 +99 days 🔍
07/21/2021 +0 days 🔍
07/23/2021 +2 days 🔍
07/28/2021 +5 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212602
Researcher: hjy79425575
Status: Confirmed

CVE: CVE-2021-30790 (🔍)
GCVE (CVE): GCVE-0-2021-30790
GCVE (VulDB): GCVE-100-179561
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/23/2021 10:14
Updated: 07/28/2021 09:29
Changes: 07/23/2021 10:14 (16), 07/23/2021 10:17 (29), 07/28/2021 09:29 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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