CVE-2021-30743 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write6 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 37.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Tvos+4 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to 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 Packages10 packages

▶CVEListV5apple/tvosunspecified — 14.5
▶NVDapple/tvos< 14.5
▶CVEListV5apple/macosunspecified — 11.3+1
▶NVDapple/macos11.0.1 — 11.3
▶NVDapple/ipados< 14.5

🔴Vulnerability Details

2
GHSA
GHSA-5wq6-7mqx-hq2f: An out-of-bounds write was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-30743: An out-of-bounds write was addressed with improved input validation↗2021-09-08
▶

📋Vendor Advisories

3
Apple
CVE-2021-30743: Security Update 2021-003 Catalina↗2021-05-24
▶
Apple
CVE-2021-30743: iOS 14.5 and iPadOS 14.5↗2021-04-26
▶
Apple
CVE-2021-30743: macOS Big Sur 11.3↗2021-04-26
▶
CVE-2021-30743 — Out-of-bounds Write in Apple | cvebase