4.3
MEDIUM
CVE-2019-8834
Apple HSTS Bypass Vulnerability
Description

A configuration issue was addressed with additional restrictions. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, iOS 13.3 and iPadOS 13.3, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. An attacker in a privileged network position may be able to bypass HSTS for a limited number of specific top-level domains previously not in the HSTS preload list.

INFO

Published Date :

Oct. 27, 2020, 8:15 p.m.

Last Modified :

Oct. 30, 2020, 1:34 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2019-8834 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple itunes
3 Apple mac_os_x
4 Apple iphone_os
5 Apple tvos
6 Apple watchos
7 Apple icloud
8 Apple ipados
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-8834.

URL Resource
https://support.apple.com/en-us/HT210785 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT210788 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT210789 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT210790 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT210793 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT210794 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT210795 Release Notes Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-8834 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-8834 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 30, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://support.apple.com/en-us/HT210785 No Types Assigned https://support.apple.com/en-us/HT210785 Release Notes, Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT210788 No Types Assigned https://support.apple.com/en-us/HT210788 Release Notes, Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT210789 No Types Assigned https://support.apple.com/en-us/HT210789 Release Notes, Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT210790 No Types Assigned https://support.apple.com/en-us/HT210790 Release Notes, Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT210793 No Types Assigned https://support.apple.com/en-us/HT210793 Release Notes, Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT210794 No Types Assigned https://support.apple.com/en-us/HT210794 Release Notes, Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT210795 No Types Assigned https://support.apple.com/en-us/HT210795 Release Notes, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 7.16 *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions from (including) 10.0 up to (excluding) 10.9 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.10.3 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 13.3 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 13.3 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.15.2 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 13.3 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 6.1.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-8834 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-8834 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.00%

score

0.43928

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability