PT-2020-4070 · Apple · Tvos+5

Peter Nguyen Vu Hoang · Published 2020-05-26 · Updated 2023-01-09 · CVE-2020-9816

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 13.5 iPadOS versions prior to 13.5 macOS Catalina versions prior to 10.15.5 tvOS versions prior to 13.4.5 watchOS versions prior to 6.2.5

Description: The issue is related to an out-of-bounds write problem, which can be triggered by opening a maliciously crafted PDF file. This may lead to unexpected application termination or arbitrary code execution. The vulnerability is associated with the libFontParser library in the operating systems.

Recommendations: For iOS versions prior to 13.5, update to iOS 13.5 or later. For iPadOS versions prior to 13.5, update to iPadOS 13.5 or later. For macOS Catalina versions prior to 10.15.5, update to macOS Catalina 10.15.5 or later. For tvOS versions prior to 13.4.5, update to tvOS 13.4.5 or later. For watchOS versions prior to 6.2.5, update to watchOS 6.2.5 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2020-04470

CVE-2020-9816

ZDI-20-673

Affected Products

Ios

Ipados

Libfontparser

Macos Catalina

Tvos

Watchos

References · 8

• https://support.apple.com/HT211171 · Vendor Advisory
• https://support.apple.com/HT211168 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-673 · Security Note
• https://osv.dev/vulnerability/CVE-2020-9816 · Vendor Advisory
• https://support.apple.com/HT211175 · Vendor Advisory
• https://support.apple.com/HT211170 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04470 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-9816 · Security Note