CVE-2020-9821 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.5%
top 32.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOSApple MacosApple Tvos+4 more
Timeline
PublishedJun 9
Latest updateMay 24

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges.

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 Packages9 packages

▶CVEListV5apple/tvosunspecified — tvOS 13.4.5
▶NVDapple/tvos< 13.4.5
▶CVEListV5apple/macosunspecified — macOS Catalina 10.15.5
▶NVDapple/ipados< 13.5
▶CVEListV5apple/watchosunspecified — watchOS 6.2.5

🔴Vulnerability Details

2
GHSA
GHSA-v849-j992-9wcr: A memory corruption issue was addressed with improved state management↗2022-05-24
▶
CVEList
CVE-2020-9821: A memory corruption issue was addressed with improved state management↗2020-06-09
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CVE-2020-9821 — Out-of-bounds Write in Apple Macos | cvebase