Home/CVE/An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Security
CVE

CVE-2021-30708

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Security

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

HIGH · CVSS 7.8 EPSS 0.00376
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

6
apple ipados< 14.6
apple iphone os< 14.6
apple mac os x>= 10.14 and <= 10.14.5
apple mac os x>= 10.15 and <= 10.15.6
apple mac os xall versions
apple macos>= 11.0 and < 11.4
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Sep 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/en-us/HT212528Release NotesVendor Advisory
https://support.apple.com/en-us/HT212529Release NotesVendor Advisory
https://support.apple.com/en-us/HT212530Release NotesVendor Advisory
https://support.apple.com/en-us/HT212531Release NotesVendor Advisory
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