Apple macOS AVEVideoEncoder 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 classified as critical has been found in Apple macOS. Affected is an unknown function of the component AVEVideoEncoder. This manipulation causes memory corruption. This vulnerability appears as CVE-2021-30748. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS (Operating System) (version now known) and classified as critical. Affected by this vulnerability is some unknown processing of the component AVEVideoEncoder. 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 07/21/2021 by George Nosenko as HT212602 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2021-30748. The technical details are unknown and an exploit is not publicly available. The advisory points out:

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

Upgrading 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 state management.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

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: 🔍

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: George Nosenko
Status: Confirmed

CVE: CVE-2021-30748 (🔍)
GCVE (CVE): GCVE-0-2021-30748
GCVE (VulDB): GCVE-100-179563
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/23/2021 10:15
Updated: 07/28/2021 09:34
Changes: 07/23/2021 10:15 (17), 07/23/2021 10:18 (28), 07/28/2021 09:34 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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