CVE-2018-4222 is a critical vulnerability in Apple's WebKit component, affecting iOS, Safari, iCloud for Windows, iTunes for Windows, tvOS, and watchOS. It allows remote attackers to execute arbitrary code by enticing a user to visit a specially crafted website that exploits an out-of-bounds read during WebAssembly compilation. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over a network with low complexity, requiring user interaction, and can lead to complete compromise of confidentiality, integrity, and availability. While not listed on the CISA KEV catalog, an exploit for information leakage related to WebAssembly compilation has been published on ExploitDB, indicating public knowledge of a related weakness, though there is no evidence of widespread active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.1.1CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 11.4CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 11.4CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 4.3.1CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | ||
< 7.5CPE matchmatch criteria | cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.