CVE-2020-1690 : What You Need to Know

An improper authorization flaw in openstack-selinux before version 0.8.24 allows non-root users to escalate privileges within containers, potentially leading to denial of service attacks.

Understanding CVE-2020-1690

An overview of the vulnerability and its impact.

What is CVE-2020-1690?

CVE-2020-1690 is a vulnerability in openstack-selinux that enables non-root users in Red Hat OpenStack containers to manipulate dbus messages, potentially resulting in service disruption.

The Impact of CVE-2020-1690

The vulnerability allows unauthorized non-root users to exploit dbus messaging, leading to potential service disruptions and denial of service attacks.

Technical Details of CVE-2020-1690

Insights into the technical aspects of the vulnerability.

Vulnerability Description

The flaw in openstack-selinux's policy implementation permits non-root users to leverage dbus access for starting or stopping services, facilitating privilege escalation and service disruption.

Affected Systems and Versions

Product: openstack-selinux
Vendor: N/A
Versions Affected: Before openstack-selinux 0.8.24

Exploitation Mechanism

Non-root attackers within Red Hat OpenStack containers can exploit dbus to send messages and manipulate services, potentially causing denial of service.

Mitigation and Prevention

Measures to address and prevent the vulnerability.

Immediate Steps to Take

Update openstack-selinux to version 0.8.24 or later to mitigate the vulnerability.
Monitor dbus communications and restrict non-root access to prevent unauthorized service manipulation.

Long-Term Security Practices

Implement container security best practices to limit privilege escalation opportunities.
Regularly audit and review container policies to ensure secure configurations.

Patching and Updates

Apply patches and updates provided by the vendor to address the vulnerability and enhance system security.