CVE-2019-12747 : Vulnerability Insights and Analysis

TYPO3 versions 8.x up to 8.7.26 and 9.x up to 9.5.7 are vulnerable to unauthorized data manipulation through deserialization.

Understanding CVE-2019-12747

TYPO3 allows the deserialization of untrusted data, leading to a security vulnerability.

What is CVE-2019-12747?

This CVE identifies a vulnerability in TYPO3 versions 8.x through 8.7.26 and 9.x through 9.5.7 that enables the deserialization of untrusted data.

The Impact of CVE-2019-12747

The vulnerability allows attackers to manipulate data through deserialization, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2019-12747

TYPO3 versions 8.x up to 8.7.26 and 9.x up to 9.5.7 are affected by this security flaw.

Vulnerability Description

The issue arises from the ability to deserialize untrusted data, opening the door for malicious manipulation.

Affected Systems and Versions

TYPO3 versions 8.x up to 8.7.26
TYPO3 versions 9.x up to 9.5.7

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious data during the deserialization process.

Mitigation and Prevention

It is crucial to take immediate action to secure systems and prevent exploitation.

Immediate Steps to Take

Apply patches provided by TYPO3 to fix the vulnerability.
Monitor system logs for any suspicious activities.
Implement strict input validation to prevent malicious data injection.

Long-Term Security Practices

Regularly update TYPO3 to the latest versions to ensure security patches are in place.
Conduct security audits to identify and address any potential vulnerabilities.
Educate users on best practices for data handling and system security.

Patching and Updates

TYPO3 has released patches to address this vulnerability. Ensure all affected systems are updated to the patched versions.