CVE-2019-11480 : What You Need to Know

A vulnerability in the Ubuntu kernel snap build process could allow an attacker to install a malicious package within the build chroot environment.

Understanding CVE-2019-11480

This CVE involves hardcoded insecure apt options in the pc-kernel snap build process, potentially enabling an attacker to compromise the build chroot environment.

What is CVE-2019-11480?

The pc-kernel snap build process included insecure apt options, allowing a potential attacker to perform a MITM attack and install malicious packages.

The Impact of CVE-2019-11480

The vulnerability poses a high severity risk with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2019-11480

The technical aspects of the CVE provide insights into the vulnerability and affected systems.

Vulnerability Description

The pc-kernel snap build process hardcoded insecure apt options, creating a security gap for potential attackers to exploit.

Affected Systems and Versions

Product: pc-kernel
Vendor: Canonical
Versions affected: <= 2019-07-16

Exploitation Mechanism

The vulnerability could be exploited by an attacker capable of executing a MITM attack between the build environment and the Ubuntu archive.

Mitigation and Prevention

Effective mitigation strategies are crucial to address and prevent the exploitation of CVE-2019-11480.

Immediate Steps to Take

Update to a secure version of pc-kernel beyond 2019-07-16.
Implement network security measures to prevent MITM attacks.

Long-Term Security Practices

Regularly monitor and update software dependencies.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Apply patches provided by Canonical promptly to secure the pc-kernel snap build process.