CVE-2019-8789 - Improper Link Resolution Before File Access ('Link Following')

Severity

55%

Complexity

18%

Confidentiality

60%

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.

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.

CVSS 3.1 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N).

Overview

First reported 5 years ago

2019-12-18 18:15:00

Last updated 5 years ago

2019-12-23 14:44:00

Affected Software

Apple Mac OS X

References

https://support.apple.com/HT210721

Vendor Advisory

https://support.apple.com/HT210722

Vendor Advisory

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