CVE-2021-1808 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds WriteCWE-125 — Out-of-bounds Read6 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 32.28%
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

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to read restricted memory.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages10 packages

▶CVEListV5apple/tvosunspecified — 14.5
▶NVDapple/tvos< 14.5
▶CVEListV5apple/macosunspecified — 11.3+1
▶NVDapple/macos11.0 — 11.3
▶NVDapple/ipados< 14.5

🔴Vulnerability Details

2
GHSA
GHSA-4xx2-x648-8hgc: A memory corruption issue was addressed with improved validation↗2022-05-24
▶
CVEList
CVE-2021-1808: A memory corruption issue was addressed with improved validation↗2021-09-08
▶

📋Vendor Advisories

3
Apple
CVE-2021-1808: Security Update 2021-002 Catalina↗2021-04-26
▶
Apple
CVE-2021-1808: iOS 14.5 and iPadOS 14.5↗2021-04-26
▶
Apple
CVE-2021-1808: macOS Big Sur 11.3↗2021-04-26
▶
CVE-2021-1808 — Out-of-bounds Write in Apple | cvebase