CVE-2019-11229 : Exploit Details and Defense Strategies

Gitea versions prior to 1.7.6 and 1.8.x before 1.8-RC3 are vulnerable to remote code execution due to mishandling mirror repository URL settings.

Understanding CVE-2019-11229

The vulnerability in Gitea allows attackers to execute remote code by exploiting the mishandling of mirror repository URL settings.

What is CVE-2019-11229?

The vulnerability arises from improper handling of mirror repository URL settings in Gitea versions before 1.7.6 and 1.8.x before 1.8-RC3, potentially leading to remote code execution.

The Impact of CVE-2019-11229

Exploitation of this vulnerability can result in unauthorized remote code execution, posing a significant security risk to affected systems.

Technical Details of CVE-2019-11229

Gitea's vulnerability can be further understood through technical details.

Vulnerability Description

The issue lies in models/repo_mirror.go in Gitea, where mirror repository URL settings are mishandled, enabling attackers to execute remote code.

Affected Systems and Versions

Gitea versions prior to 1.7.6
Gitea 1.8.x before 1.8-RC3

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating mirror repository URL settings, allowing them to execute remote code on vulnerable systems.

Mitigation and Prevention

Protecting systems from CVE-2019-11229 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Gitea to version 1.7.6 or 1.8-RC3 to mitigate the vulnerability.
Monitor for any unauthorized access or suspicious activities on the system.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation and access controls to limit the attack surface.

Patching and Updates

Apply patches and updates provided by Gitea promptly to address the vulnerability.