CVE-2020-9955 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write4 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 41.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOS AND IpadosApple MacosApple Tvos+3 more
Timeline
PublishedApr 2
Latest updateMay 24

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. 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 Packages11 packages

▶CVEListV5apple/tvosunspecified — 14.0
▶NVDapple/tvos< 14.0
▶CVEListV5apple/macosunspecified — 11.0
▶NVDapple/macos11.0 — 11.0.1
▶NVDapple/ipados< 14.0

🔴Vulnerability Details

1
GHSA
GHSA-3v9q-g2fg-6vm7: An out-of-bounds write issue was addressed with improved bounds checking↗2022-05-24
▶

📋Vendor Advisories

2
Apple
CVE-2020-9955: watchOS 7.0↗2020-09-16
▶
Apple
CVE-2020-9955: tvOS 14.0↗2020-09-16
▶
CVE-2020-9955 — Out-of-bounds Write in Apple | cvebase