PT-2018-16413 · Apple · Tvos+4

Published 2018-04-03 · Updated 2019-03-08 · CVE-2018-4124

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 11.2.6 macOS versions prior to 10.13.3 Supplemental Update tvOS versions prior to 11.2.6 watchOS versions prior to 4.2.3

Description The issue involves the CoreText component and allows remote attackers to cause a denial of service, resulting in memory corruption and system crash, or possibly have other unspecified impacts. This is achieved via a crafted string containing a certain Telugu character.

Recommendations For iOS versions prior to 11.2.6, update to version 11.2.6 or later. For macOS versions prior to 10.13.3 Supplemental Update, update to the 10.13.3 Supplemental Update or later. For tvOS versions prior to 11.2.6, update to version 11.2.6 or later. For watchOS versions prior to 4.2.3, update to version 4.2.3 or later.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-4124

Affected Products

Coretext

Ios

Apple Macos

Tvos

Watchos

References · 9

• 🔥 https://github.com/jamf/TELUGU_CVE-2018-4124_POC · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-4124 · Security Note
• https://support.apple.com/HT208537 · Vendor Advisory
• https://support.apple.com/HT208535 · Vendor Advisory
• https://support.apple.com/HT208536 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-4124 · Vendor Advisory
• https://support.apple.com/HT208534 · Vendor Advisory
• http://securitytracker.com/id/1040396 · Note
• https://nakedsecurity.sophos.com/2018/02/20/apple-fixes-that-1-character-to-crash-your-mac-and-iphone-bug · Note