Apple macOS up to 11.2.3 Intel Graphics Driver 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 was found in Apple macOS up to 11.2.3. It has been classified as critical. Affected is an unknown function of the component Intel Graphics Driver. Performing a manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2021-1841. The attack requires a local approach. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 11.2.3 (Operating System). This affects an unknown code block of the component Intel Graphics Driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 04/26/2021 by Jack Dates as HT212325 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2021-1841. 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 11.3 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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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 11.3

Timelineinfo

12/08/2020 🔍
04/26/2021 +138 days 🔍
04/26/2021 +0 days 🔍
04/27/2021 +1 days 🔍
04/30/2021 +3 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212325
Researcher: Jack Dates
Status: Confirmed

CVE: CVE-2021-1841 (🔍)
GCVE (CVE): GCVE-0-2021-1841
GCVE (VulDB): GCVE-100-173997
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 04/27/2021 09:00
Updated: 04/30/2021 15:47
Changes: 04/27/2021 09:00 (19), 04/27/2021 09:04 (28), 04/30/2021 15:47 (4)
Complete: 🔍
Cache ID: 216::103

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

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