CVE-2021-1799: Medium severity tvos vulnerability

Published Jan 26, 2021
·
Updated

A flaw was found in WebKitGTK.

Impact: A malicious website may be able to access restricted ports on arbitrary servers. Description: A port redirection issue was addressed with additional port validation.

Reference: https://webkitgtk.org/security/WSA-2021-0002.html

Other sources

A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access restricted ports on arbitrary servers.

MITRE

WebRTC. A port redirection issue was addressed with additional port validation.

Credit

Gregory Vishnepolsky & Ben Seri(Armis Security), Samy Kamkar, Gregory Vishnepolsky & Ben Seri(Armis Security), Samy Kamkar, Gregory Vishnepolsky & Ben Seri(Armis Security), Samy Kamkar, Gregory Vishnepolsky & Ben Seri(Armis Security), Samy Kamkar, Gregory Vishnepolsky & Ben Seri(Armis Security), Samy Kamkar

Affected Software

18 affected componentsFixes available
Apple tvOS<14.4
14.4
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple WatchOS<7.3
7.3
Apple Safari<14.0.3
14.0.3
Apple Safari<14.0.3
Apple Ipad Os<14.4
Apple iPhone OS<14.4
Apple macOS>=11.0.1<11.2
Apple tvOS<14.4
Apple WatchOS<7.3
Fedoraproject Fedora=32
Fedoraproject Fedora=33
WebKitGTK WebKitGTK<2.30.6
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
redhat/webkitgtk<2.30.6
2.30.6

Event History

Mar 29, 2021
Data Sourced
via Red Hat·06:44 PM
DescriptionSeverityAffected Software
Apr 2, 2021
CVE Published
via MITRE·06:04 PM
Data Sourced
via MITRE·06:04 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-1799?

CVE-2021-1799 is a vulnerability in WebRTC that involves a port redirection issue that was addressed with additional port validation.

2

Which software products are affected by CVE-2021-1799?

The vulnerability affects Apple Safari 14.0.3, macOS Big Sur 11.2, macOS Catalina, macOS Mojave, Apple watchOS 7.3, Apple iOS 14.4, Apple iPadOS 14.4, and Apple tvOS 14.4.

3

What is the severity of CVE-2021-1799?

The severity of CVE-2021-1799 has not been provided.

4

How can I fix CVE-2021-1799?

To fix CVE-2021-1799, update to the latest available version of the affected software provided by Apple.

5

Where can I find more information about CVE-2021-1799?

You can find more information about CVE-2021-1799 on the Apple support website at the following links: [1](https://support.apple.com/en-us/HT212149), [2](https://support.apple.com/en-us/HT212147), [3](https://support.apple.com/en-us/HT212148).

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