Apple macOS Model I/O denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability classified as problematic was found in Apple macOS (Operating System) (affected version not known). Affected by this vulnerability is some unknown functionality of the component Model I/O. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 07/21/2021 by Mickey Jin as HT212602 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2021-30796. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK. The advisory points out:

Processing a maliciously crafted image may lead to a denial of service

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

A logic issue was addressed with improved validation.

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

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: Mickey Jin
Status: Confirmed

CVE: CVE-2021-30796 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/23/2021 10:27 AM
Updated: 07/28/2021 11:37 AM
Changes: 07/23/2021 10:27 AM (16), 07/23/2021 10:30 AM (29), 07/28/2021 11:37 AM (1)
Complete: 🔍

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