#VU30533 Link following in iPadOS


Published: 2019-12-18 | Updated: 2020-07-17

Vulnerability identifier: #VU30533

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-8789

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
iPadOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

iPadOS: 13.1.1 - 13.1.3


External links
http://support.apple.com/HT210721
http://support.apple.com/HT210722


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability