CVE-2019-8540 — Improper Initialization in Apple Macos

CWE-665 — Improper Initialization7 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.4%
top 39.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOSApple MacosApple Tvos+3 more
Timeline
PublishedDec 18
Latest updateMay 24

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5apple/tvosunspecified — tvOS 12.2
▶NVDapple/tvos< 12.2
▶CVEListV5apple/macosunspecified — macOS Mojave 10.14.4
▶CVEListV5apple/watchosunspecified — watchOS 5.2
▶NVDapple/watchos< 5.2

🔴Vulnerability Details

2
GHSA
GHSA-xr2v-p69m-q5gx: A memory initialization issue was addressed with improved memory handling↗2022-05-24
▶
CVEList
CVE-2019-8540: A memory initialization issue was addressed with improved memory handling↗2019-12-18
▶

📋Vendor Advisories

4
Apple
CVE-2019-8540: watchOS 5.2↗2019-03-27
▶
Apple
CVE-2019-8540: macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra↗2019-03-25
▶
Apple
CVE-2019-8540: iOS 12.2↗2019-03-25
▶
Apple
CVE-2019-8540: tvOS 12.2↗2019-03-25
▶
CVE-2019-8540 — Improper Initialization in Apple Macos | cvebase