CVE-2017-13856 is a critical vulnerability in Apple's WebKit component, affecting iOS, Safari, iCloud for Windows, iTunes for Windows, and tvOS before their respective 11.2/7.2/12.7.2 versions. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through memory corruption and application crashes by enticing users to visit a specially crafted website. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, and community discussion is minimal, the vulnerability's high severity warrants prompt patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.0.2CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 11.2CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 11.2CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 7.2CPE matchmatch criteria | cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:* | ||
< 12.7.2CPE matchmatch criteria | cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:* |
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.