7.1
HIGH
CVE-2019-8591
Apple iOS/macOS/tvOS/watchOS Type Confusion Vulnerability
Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. An application may be able to cause unexpected system termination or write kernel memory.

INFO

Published Date :

Dec. 18, 2019, 6:15 p.m.

Last Modified :

Dec. 20, 2019, 10:52 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-8591 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-8591 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 mac_os_x
3 Apple iphone_os
4 Apple tvos
5 Apple watchos
: Total Affected Vendor : 1 | Products : 5
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-2019-8591.

URL Resource
https://support.apple.com/HT210118 Vendor Advisory
https://support.apple.com/HT210119 Vendor Advisory
https://support.apple.com/HT210120 Vendor Advisory
https://support.apple.com/HT210122 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).

Profile Photo
Embodimentgeniuslm3/glowing-adventure

None

CMake C Logos Makefile HTML Shell VBScript Python JavaScript

Updated: 3 years ago
1 stars 0 fork 0 watcher
Born at : Nov. 4, 2021, 9:26 p.m. This repo has been linked 4 different CVEs too.
Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 8 months, 2 weeks ago
33 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 1 year, 3 months ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.
Profile Photo
WRFan/jailbreak10.3.3

This repo provides some info on how to downgrade, jailbreak, and setup IOS 10.3.3 on an iPhone 5s.

JavaScript HTML Shell CMake C C++ Python VBScript Logos Makefile

Updated: 8 months ago
12 stars 4 fork 4 watcher
Born at : Oct. 23, 2020, 1:18 a.m. This repo has been linked 4 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 3 months ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.
Profile Photo
jsherman212/used_sock

tfp0 based on CVE-2019-8591/CVE-2019-8605

C

Updated: 2 years, 2 months ago
3 stars 1 fork 1 watcher
Born at : Jan. 20, 2020, 12:33 a.m. This repo has been linked 2 different CVEs too.

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

The following list is the news that have been mention CVE-2019-8591 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-8591 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]

    Dec. 20, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
    Changed Reference Type https://support.apple.com/HT210118 No Types Assigned https://support.apple.com/HT210118 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210119 No Types Assigned https://support.apple.com/HT210119 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210120 No Types Assigned https://support.apple.com/HT210120 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT210122 No Types Assigned https://support.apple.com/HT210122 Vendor Advisory
    Added CWE NIST CWE-843
    Added CPE Configuration OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 12.3 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.14.5 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 12.3 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.1
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-2019-8591 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-2019-8591 weaknesses.

Exploit Prediction

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

0.23 }} 0.04%

score

0.60869

percentile

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