CVE-2020-10003 : Security Advisory and Response

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. A local attacker may be able to elevate their privileges.

Understanding CVE-2020-10003

This CVE relates to a vulnerability in Apple products that could allow a local attacker to elevate their privileges.

What is CVE-2020-10003?

CVE-2020-10003 is a security vulnerability in Apple's operating systems, including macOS, iOS, iPadOS, tvOS, and watchOS. It involves a flaw in the path validation logic for symlinks, which could be exploited by a local attacker to escalate their privileges.

The Impact of CVE-2020-10003

The vulnerability could potentially allow a local attacker to gain elevated privileges on the affected systems, posing a security risk to the integrity and confidentiality of the user's data.

Technical Details of CVE-2020-10003

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from inadequate path validation logic for symlinks, which could be exploited by a local attacker.

Affected Systems and Versions

The following Apple products and versions are affected:

watchOS: Less than 7.1
iOS and iPadOS: Less than 14.2
tvOS: Less than 14.2
macOS: Less than 11.0

Exploitation Mechanism

The vulnerability can be exploited by a local attacker to manipulate symlinks and potentially escalate their privileges on the affected systems.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-10003, consider the following steps:

Immediate Steps to Take

Update the affected systems to the fixed versions: macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1
Monitor system logs for any suspicious symlink activities

Long-Term Security Practices

Implement the principle of least privilege to restrict user permissions
Regularly review and update security configurations and policies

Patching and Updates

Apply security patches and updates provided by Apple promptly to mitigate the vulnerability and enhance system security