PT-2018-16486 · Apple+3 · Icloud+8

Natashenka · Published 2018-06-08 · Updated 2019-10-03 · CVE-2018-4218

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Apple iOS versions prior to 11.4 Apple Safari versions prior to 11.1.1 Apple iCloud versions prior to 7.5 on Windows Apple iTunes versions prior to 12.7.5 on Windows Apple tvOS versions prior to 11.4 Apple watchOS versions prior to 4.3.1

Description The issue involves the WebKit component and allows remote attackers to execute arbitrary code or cause a denial of service, resulting in memory corruption and application crash, via a crafted web site that triggers an @generatorState use-after-free.

Recommendations For iOS versions prior to 11.4, update to version 11.4 or later. For Safari versions prior to 11.1.1, update to version 11.1.1 or later. For iCloud versions prior to 7.5 on Windows, update to version 7.5 or later. For iTunes versions prior to 12.7.5 on Windows, update to version 12.7.5 or later. For tvOS versions prior to 11.4, update to version 11.4 or later. For watchOS versions prior to 4.3.1, update to version 4.3.1 or later.

Exploit

Fix

RCE

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2018-1892

CVE-2018-4218

MGASA-2018-0302

OPENSUSE-SU-2018_2285-1

OPENSUSE-SU-2018_3473-1

SUSE-SU-2018:2075-1

SUSE-SU-2018:3387-1

USN-3687-1

Affected Products

Alt Linux

Safari

Suse

Ubuntu

Icloud

Ios

Itunes

Tvos

Watchos

References · 90

• 🔥 https://bugs.chromium.org/p/project-zero/issues/detail?id=1553 · Exploit
• 🔥 https://exploit-db.com/exploits/44861 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2018:2075-1 · Vendor Advisory
• https://security.gentoo.org/glsa/201808-04 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-4218 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-4190 · Vendor Advisory
• https://support.apple.com/HT208852 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-4218 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0302 · Vendor Advisory
• https://support.apple.com/HT208853 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-4218 · Vendor Advisory
• https://support.apple.com/HT208851 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-12293 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-4218 · Security Note
• https://ubuntu.com/security/CVE-2018-4232 · Vendor Advisory