PT-2017-1332 · Apple · Coretext+2

Fast_Hack + 3 · Published 2017-02-20 · Updated 2017-02-22 · CVE-2016-7667

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 10.2 macOS versions prior to 10.12.2

Description The issue involves the CoreText component and allows remote attackers to cause a denial of service via a crafted string. It exists due to insufficient input validation, which can be exploited by a remote attacker to cause a denial of service using a specially crafted string.

Recommendations For iOS versions prior to 10.2, update to version 10.2 or later. For macOS versions prior to 10.12.2, update to version 10.12.2 or later. As a temporary workaround, consider restricting the use of the CoreText component until a patch is available.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2017-00457

CVE-2016-7667

Affected Products

Coretext

Ios

Apple Macos

References · 5

• https://support.apple.com/HT207422 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7667 · Security Note
• https://support.apple.com/HT207423 · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-00457 · Security Note
• https://osv.dev/vulnerability/CVE-2016-7667 · Vendor Advisory