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CVE-2021-1834

CRITICAL

9.8

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to execute arbitrary code with kernel privileges.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/8/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

apple:mac_os_xapple:macos

Weaknesses (CWE)

CWE-787

References

https://support.apple.com/en-us/HT212325(product-security@apple.com)

https://support.apple.com/en-us/HT212326(product-security@apple.com)

https://support.apple.com/en-us/HT212327(product-security@apple.com)

https://support.apple.com/en-us/HT212325(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212326(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212327(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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