Learn about CVE-2019-10063 affecting Flatpak versions before 1.0.8, 1.1.x, 1.2.x before 1.2.4, and 1.3.x before 1.3.1. Find out the impact, technical details, and mitigation steps.
Flatpak versions prior to 1.0.8, 1.1.x, 1.2.x before 1.2.4, and 1.3.x before 1.3.1 have a vulnerability allowing sandbox bypass. The CVE-2017-5226 fix in Flatpak 0.8.1 onwards was incomplete, enabling a bypass on 64-bit platforms.
Understanding CVE-2019-10063
Flatpak versions before specified releases have a security flaw that could lead to sandbox bypass.
What is CVE-2019-10063?
Flatpak versions before 1.0.8, 1.1.x, 1.2.x before 1.2.4, and 1.3.x before 1.3.1 contain a vulnerability allowing the bypassing of the sandbox. The fix implemented in Flatpak 0.8.1 onwards to address CVE-2017-5226 was not fully effective, particularly on 64-bit platforms.
The Impact of CVE-2019-10063
The vulnerability in Flatpak versions could allow malicious actors to execute commands outside the sandbox after a sandboxed application terminates, posing a security risk to affected systems.
Technical Details of CVE-2019-10063
Flatpak vulnerability details and affected systems.
Vulnerability Description
Flatpak versions before specified releases allow bypassing the sandbox, potentially leading to unauthorized command execution.
Affected Systems and Versions
Exploitation Mechanism
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2019-10063 vulnerability.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates