CVE-2019-8789

Apple Security Advisory 2019-10-29-1

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1. Parsing a maliciously crafted iBooks file may lead to disclosure of user information.

Se presentó un problema de comprobación en el manejo de enlaces simbólicos. Este problema fue abordado con una comprobación mejorada de los enlaces simbólicos. Este problema es corregido en iOS versión 13.2 y iPadOS versión 13.2, macOS Catalina versión 10.15.1. Analizar un archivo iBooks diseñado maliciosamente puede conllevar a una divulgación de información del usuario.

macOS Catalina 10.15.1, Security Update 2019-001 Mojave, Security Update 2019-006 High Sierra are now available and address code execution and denial of service vulnerabilities.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-02-18 CVE Reserved
2019-11-01 CVE Published
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT210721	2019-12-23
https://support.apple.com/HT210722	2019-12-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 13.2 Search vendor "Apple" for product "Ipados" and version " < 13.2"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 13.2 Search vendor "Apple" for product "Iphone Os" and version " < 13.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.15.1 Search vendor "Apple" for product "Mac Os X" and version " < 10.15.1"		-		Affected