PT-2021-5805 · Apple+8 · Watchos+14

Dan Hite · Published 2021-05-24 · Updated 2024-06-15 · CVE-2021-30744

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions tvOS versions prior to 14.6 iOS versions prior to 14.6 iPadOS versions prior to 14.6 Safari versions prior to 14.1.1 macOS Big Sur versions prior to 11.4 watchOS versions prior to 7.5 WebKitGTK (affected versions not specified) WPE WebKit (affected versions not specified)

Description A cross-origin issue with iframe elements was addressed with improved tracking of security origins. Processing maliciously crafted web content may lead to universal cross site scripting. The issue is related to the lack of protection of the web page structure, which may allow a remote attacker to impact data integrity using malicious web content.

Recommendations For tvOS versions prior to 14.6, update to tvOS 14.6. For iOS versions prior to 14.6, update to iOS 14.6. For iPadOS versions prior to 14.6, update to iPadOS 14.6. For Safari versions prior to 14.1.1, update to Safari 14.1.1. For macOS Big Sur versions prior to 11.4, update to macOS Big Sur 11.4. For watchOS versions prior to 7.5, update to watchOS 7.5. At the moment, there is no information about a newer version that contains a fix for this vulnerability for WebKitGTK and WPE WebKit.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALSA-2021:4381

BDU:2022-00264

CESA-2021_4381

CVE-2021-30744

DSA-4945-1

MGASA-2021-0400

OPENSUSE-SU-2021:1101-1

OPENSUSE-SU-2021:2598-1

OPENSUSE-SU-2021_1101-1

OPENSUSE-SU-2021_2598-1

OPENSUSE-SU-2024:11506-1

RHSA-2021:4381

RHSA-2021_4381

RHSA-2025:10364

RLSA-2021:4381

SUSE-SU-2021:2598-1

SUSE-SU-2021:2600-1

SUSE-SU-2021:2762-1

USN-5024-1

Affected Products

Almalinux

Astra Linux

Centos

Linuxmint

Apple Macos

Red Hat

Rocky Linux

Safari

Suse

Ubuntu

Ios

Ipados

Macos Big Sur

Tvos

Watchos

References · 288

• https://ubuntu.com/security/CVE-2021-21775 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30720 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4945-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5024-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21779 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30665 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30744 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2598-1 · Vendor Advisory
• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-30744 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2762-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0114SE47 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-30744 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2021-4381.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-4381.html · Vendor Advisory