CVE-2021-1882 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write7 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.9%
top 24.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Tvos+4 more
Timeline
PublishedSep 8
Latest updateOct 14

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

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

3
OSV
linux-ibm vulnerabilities↗2022-10-14
▶
GHSA
GHSA-wjj4-8gg2-x22g: A memory corruption issue was addressed with improved validation↗2022-05-24
▶
CVEList
CVE-2021-1882: A memory corruption issue was addressed with improved validation↗2021-09-08
▶

📋Vendor Advisories

3
Apple
CVE-2021-1882: iOS 14.5 and iPadOS 14.5↗2021-04-26
▶
Apple
CVE-2021-1882: Security Update 2021-002 Catalina↗2021-04-26
▶
Apple
CVE-2021-1882: macOS Big Sur 11.3↗2021-04-26
▶
CVE-2021-1882 — Out-of-bounds Write in Apple | cvebase