Link following in iPadOS - CVE-2019-8789
Published: December 18, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU30533
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-8789
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
iPadOS
iPadOS
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
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.
How to mitigate CVE-2019-8789
Install update from vendor's website.