CVE-2020-1709 : Exploit Details and Defense Strategies

A vulnerability found in all openshift/mediawiki 4.x.x versions prior to 4.3.0 allowed for insecure modification in the /etc/passwd file, potentially enabling attackers to escalate privileges.

Understanding CVE-2020-1709

This CVE pertains to a security vulnerability found in openshift/mediawiki versions prior to 4.3.0.

What is CVE-2020-1709?

CVE-2020-1709 is an insecure modification vulnerability in the /etc/passwd file of openshift/mediawiki, allowing unauthorized privilege escalation for attackers with container access.

The Impact of CVE-2020-1709

The vulnerability poses a high risk with a CVSS base score of 7, potentially leading to unauthorized privilege escalation and manipulation of system files.

Technical Details of CVE-2020-1709

This section explores the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows attackers with container access to modify the /etc/passwd file, leading to potential privilege escalation.

Affected Systems and Versions

Vendor: [UNKNOWN]
Product: openshift/mediawiki
Versions Affected: All versions prior to 4.3.0

Exploitation Mechanism

The attacker needs access to the container to exploit this vulnerability and modify the /etc/passwd file, enabling privilege escalation.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2020-1709.

Immediate Steps to Take

Upgrade openshift/mediawiki to version 4.3.0 or later to mitigate the vulnerability.
Ensure access controls and permissions are set correctly to limit unauthorized modifications.

Long-Term Security Practices

Regularly update and patch containerized applications to prevent known vulnerabilities.
Implement least privilege access to restrict unauthorized activities within containers.

Patching and Updates

Stay informed about security updates for openshift/mediawiki and promptly apply patches to secure the environment.