PT-2020-17782 · Apple+5 · Safari+11

Sergei Glazunov · Published 2020-04-01 · Updated 2022-06-02 · CVE-2020-3894

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 13.4 iPadOS versions prior to 13.4 tvOS versions prior to 13.4 Safari versions prior to 13.1 iTunes for Windows versions prior to 12.10.5 iCloud for Windows versions prior to 10.9.3 and 7.18

Description A race condition was addressed with additional validation. This issue allows an application to potentially read restricted memory.

Recommendations For iOS versions prior to 13.4, update to iOS version 13.4 or later. For iPadOS versions prior to 13.4, update to iPadOS version 13.4 or later. For tvOS versions prior to 13.4, update to tvOS version 13.4 or later. For Safari versions prior to 13.1, update to Safari version 13.1 or later. For iTunes for Windows versions prior to 12.10.5, update to iTunes for Windows version 12.10.5 or later. For iCloud for Windows versions prior to 10.9.3 and 7.18, update to iCloud for Windows version 10.9.3 or later, and ensure version 7.18 or earlier is updated accordingly.

Exploit

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALSA-2020:4451

BDU:2021-05449

CESA-2020_4035

CESA-2020_4451

CVE-2020-3894

DSA-4681-1

RHSA-2020:4035

RHSA-2020:4451

RHSA-2020_4035

RHSA-2020_4451

RLSA-2020:4451

SUSE-SU-2022:0142-1

SUSE-SU-2022:0183-1

Affected Products

Almalinux

Centos

Red Hat

Rocky Linux

Safari

Suse

Icloud For Windows

Ios

Ipados

Itunes

Itunes For Windows

Tvos

References · 270

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/osx/browser/safari_in_operator_side_effect.rb · Exploit
• 🔥 https://github.com/BadAccess11/CVE-2019-8601 · Exploit
• https://support.apple.com/HT211107 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-4035.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3894 · Security Note
• https://ubuntu.com/security/CVE-2020-3894 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-3894 · Vendor Advisory
• https://support.apple.com/HT211104 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2020:4451 · Vendor Advisory
• https://support.apple.com/HT211105 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3894 · Security Note
• https://bdu.fstec.ru/vul/2021-05449 · Security Note
• https://support.apple.com/HT211106 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4681-1 · Vendor Advisory
• https://support.apple.com/HT211102 · Vendor Advisory