PT-2021-5661 · Apple+8 · Watchos+14

Chijin Zhou · Published 2021-08-24 · Updated 2022-05-10 · CVE-2021-30936

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 tvOS versions prior to 15.2 macOS Monterey versions prior to 12.1 Safari versions prior to 15.2 iOS versions prior to 15.2 iPadOS versions prior to 15.2 watchOS versions prior to 8.3

Description The issue is related to a use after free problem, which can be exploited by a remote attacker to execute arbitrary code when processing malicious web content. This can happen due to improper memory management.

Recommendations For tvOS versions prior to 15.2, update to tvOS 15.2 or later. For macOS Monterey versions prior to 12.1, update to macOS Monterey 12.1 or later. For Safari versions prior to 15.2, update to Safari 15.2 or later. For iOS versions prior to 15.2, update to iOS 15.2 or later. For iPadOS versions prior to 15.2, update to iPadOS 15.2 or later. For watchOS versions prior to 8.3, update to watchOS 8.3 or later.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2022:1777

BDU:2022-00100

CESA-2022_1777

CVE-2021-30936

DSA-5060-1

DSA-5061-1

MGASA-2022-0034

OPENSUSE-SU-2022:0705-1

OPENSUSE-SU-2022_0705-1

RHSA-2022:1777

RHSA-2022_1777

RHSA-2025:10364

RLSA-2022:1777

SUSE-SU-2022:0690-1

SUSE-SU-2022:0703-1

SUSE-SU-2022:0705-1

USN-5255-1

Affected Products

Almalinux

Astra Linux

Centos

Linuxmint

Apple Macos

Red Hat

Rocky Linux

Safari

Suse

Ubuntu

Ios

Ipados

Macos Monterey

Tvos

Watchos

References · 136

• 🔥 https://github.com/springsec/CVE-2022-22620 · Exploit
• 🔥 https://github.com/kmeps4/CVE-2022-22620 · Exploit
• https://bdu.fstec.ru/vul/2022-00100 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/672947 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:0705-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:1777 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2022-1777.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0703-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30952 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0034 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5060-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30984 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2022-1777.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30936 · Vendor Advisory