Apple macOS up to 11.3 Graphics Drivers out-of-bounds write

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

Summaryinfo

A vulnerability identified as critical has been detected in Apple macOS up to 11.3. The affected element is an unknown function of the component Graphics Drivers. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-30735. An attack has to be approached locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 11.3 (Operating System). This issue affects some unknown functionality of the component Graphics Drivers. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/24/2021 by Jack Dates as HT212529 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2021-30735. Neither technical details nor an exploit are publicly available. The advisory points out:

A malicious application may be able to execute arbitrary code with kernel privileges

Upgrading to version 11.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds write issue was addressed with improved bounds checking.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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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: Out-of-bounds write
CWE: CWE-787 / 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 11.4

Timelineinfo

04/13/2021 🔍
05/24/2021 +41 days 🔍
05/24/2021 +0 days 🔍
05/25/2021 +1 days 🔍
05/28/2021 +3 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212529
Researcher: Jack Dates
Status: Confirmed

CVE: CVE-2021-30735 (🔍)
GCVE (CVE): GCVE-0-2021-30735
GCVE (VulDB): GCVE-100-175709
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 05/25/2021 12:43
Updated: 05/28/2021 11:04
Changes: 05/25/2021 12:43 (4), 05/25/2021 12:44 (15), 05/25/2021 12:47 (28), 05/28/2021 11:04 (4)
Complete: 🔍
Cache ID: 216::103

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