CVE-2021-30971 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write5 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 52.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Apple IOS AND IpadosApple MacosApple Ipados+2 more
Timeline
PublishedAug 24
Latest updateDec 13

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5apple/macosunspecified — 12.1+2
▶NVDapple/macos11.0 — 11.6.2+1
▶NVDapple/mac_os_x10.15 — 10.15.7+1
▶NVDapple/ipados< 15.2
▶CVEListV5apple/ios_and_ipadosunspecified — 15.2

🔴Vulnerability Details

1
CVEList
CVE-2021-30971: An out-of-bounds write issue was addressed with improved bounds checking↗2021-08-24
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📋Vendor Advisories

3
Apple
CVE-2021-30971: Security Update 2021-008 Catalina↗2021-12-13
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Apple
CVE-2021-30971: macOS Monterey 12.1↗2021-12-13
▶
Apple
CVE-2021-30971: macOS Big Sur 11.6.2↗2021-12-13
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CVE-2021-30971 — Out-of-bounds Write in Apple | cvebase