CVE-2017-1000148 : Security Advisory and Response

This CVE involves a vulnerability in Mahara versions prior to 15.04.8, 15.10.4, and 16.04.2 that allows for the execution of PHP code when importing a skin from an XML file.

Understanding CVE-2017-1000148

This section provides insights into the nature and impact of the CVE.

What is CVE-2017-1000148?

The vulnerability in Mahara versions allows malicious actors to execute PHP code by passing sections of an XML file through the PHP function "unserialize()" during the skin import process.

The Impact of CVE-2017-1000148

The vulnerability poses a significant risk as it enables unauthorized execution of PHP code, potentially leading to various security breaches and compromises.

Technical Details of CVE-2017-1000148

Explore the technical aspects and implications of the CVE.

Vulnerability Description

Mahara versions before 15.04.8, 15.10.4, and 16.04.2 are susceptible to PHP code execution due to the insecure handling of XML data during skin imports.

Affected Systems and Versions

Mahara versions prior to 15.04.8
Mahara versions before 15.10.4
Mahara versions prior to 16.04.2

Exploitation Mechanism

The vulnerability arises when Mahara processes XML content using the "unserialize()" function, allowing attackers to inject and execute malicious PHP code.

Mitigation and Prevention

Learn how to address and prevent the CVE.

Immediate Steps to Take

Update Mahara to versions 15.04.8, 15.10.4, or 16.04.2 to mitigate the vulnerability.
Avoid importing skins from untrusted sources to prevent potential code execution.

Long-Term Security Practices

Regularly update Mahara and other software to patch security flaws.
Implement code review processes to identify and rectify vulnerabilities in the system.

Patching and Updates

Ensure timely installation of security patches and updates to safeguard against known vulnerabilities.