CVE-2019-10144 : Exploit Details and Defense Strategies

Up until version 1.30.0, rkt does not provide process isolation within containers executed using the

rkt enter

command. This vulnerability could potentially allow compromised containers to gain unauthorized access to host resources.

Understanding CVE-2019-10144

This CVE highlights a security issue in the rkt container runtime.

What is CVE-2019-10144?

CVE-2019-10144 pertains to a lack of process isolation in rkt containers when using the

rkt enter

command, potentially enabling unauthorized access to host resources.

The Impact of CVE-2019-10144

The vulnerability poses a high risk, with compromised containers potentially gaining unauthorized access to host resources.

Technical Details of CVE-2019-10144

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in rkt versions up to 1.30.0 allows processes executed with

rkt enter

to have all capabilities granted, potentially leading to unauthorized access to host resources.

Affected Systems and Versions

Product: rkt
Vendor: [UNKNOWN]
Affected Version: 1.30.0

Exploitation Mechanism

Attack Complexity: HIGH
Attack Vector: LOCAL
Privileges Required: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality, Integrity, and Availability Impact: HIGH
CVSS v3.0 Base Score: 7 (High)
Vector String: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-250: Improper Neutralization of Special Elements Used in an OS Command ('OS Command Injection')

Mitigation and Prevention

Protecting systems from CVE-2019-10144 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update rkt to a patched version that addresses the vulnerability.
Avoid running untrusted containers or processes within affected versions.

Long-Term Security Practices

Implement container security best practices to minimize the risk of unauthorized access.
Regularly monitor and audit containerized environments for unusual activities.

Patching and Updates

Stay informed about security updates for rkt and promptly apply patches to mitigate vulnerabilities.