CVE-2019-11832 : Vulnerability Insights and Analysis

TYPO3 8.x before 8.7.25 and 9.x before 9.5.6 are vulnerable to remote code execution due to misconfigurations in image processing applications like ImageMagick or GraphicsMagick.

Understanding CVE-2019-11832

This CVE identifies a critical vulnerability in TYPO3 versions 8.x and 9.x that allows remote code execution.

What is CVE-2019-11832?

TYPO3 versions 8.x prior to 8.7.25 and 9.x prior to 9.5.6 are susceptible to remote code execution. The issue arises from improper configurations in applications used for image processing, such as ImageMagick or GraphicsMagick.

The Impact of CVE-2019-11832

This vulnerability can be exploited by attackers to execute arbitrary code remotely on systems running affected TYPO3 versions. It poses a significant risk to the confidentiality, integrity, and availability of the impacted systems.

Technical Details of CVE-2019-11832

TYPO3 8.x and 9.x versions are affected by this vulnerability due to misconfigurations in image processing applications.

Vulnerability Description

The vulnerability allows threat actors to execute malicious code remotely on systems running TYPO3 versions 8.x and 9.x. The issue stems from the improper configuration of image processing applications like ImageMagick or GraphicsMagick.

Affected Systems and Versions

TYPO3 8.x versions before 8.7.25
TYPO3 9.x versions before 9.5.6

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted image files to the affected TYPO3 instances, leveraging the misconfigurations in ImageMagick or GraphicsMagick to execute arbitrary code.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-11832.

Immediate Steps to Take

Update TYPO3 installations to versions 8.7.25 or 9.5.6, which contain patches addressing this vulnerability.
Implement network security measures to restrict access to TYPO3 instances.
Monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch all software components, including image processing applications, to prevent similar vulnerabilities.
Conduct security assessments and audits to identify and remediate potential weaknesses in TYPO3 deployments.

Patching and Updates

Apply the latest security patches provided by TYPO3 to ensure that systems are protected against known vulnerabilities.