PT-2020-17749 · Apple · Tvos+4

Ian Beer · Published 2020-02-27 · Updated 2021-07-21 · CVE-2020-3856

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 13.3.1 iPadOS versions prior to 13.3.1 macOS Catalina versions prior to 10.15.3 tvOS versions prior to 13.3.1 watchOS versions prior to 6.1.2

Description A memory corruption issue was addressed with improved input validation. Processing a maliciously crafted string may lead to heap corruption.

Recommendations For iOS versions prior to 13.3.1, update to iOS 13.3.1 or later. For iPadOS versions prior to 13.3.1, update to iPadOS 13.3.1 or later. For macOS Catalina versions prior to 10.15.3, update to macOS Catalina 10.15.3 or later. For tvOS versions prior to 13.3.1, update to tvOS 13.3.1 or later. For watchOS versions prior to 6.1.2, update to watchOS 6.1.2 or later.

Fix

Memory Corruption

RCE

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

CVE-2020-3856

Affected Products

Ios

Ipados

Macos Catalina

Tvos

Watchos

References · 7

• https://support.apple.com/HT210918 · Vendor Advisory
• https://support.apple.com/HT210921 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3856 · Security Note
• https://support.apple.com/HT210920 · Vendor Advisory
• https://support.apple.com/HT210919 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-3856 · Vendor Advisory
• https://t.me/cvenotify/1245 · Telegram Post