CVE-2018-1000533 : Security Advisory and Response

A vulnerability was discovered in the version 0.6 or earlier of klaussilveira GitList that could allow an attacker to execute arbitrary code as the PHP user.

Understanding CVE-2018-1000533

This CVE involves a vulnerability in the

searchTree

function of GitList.

What is CVE-2018-1000533?

The vulnerability in GitList version 0.6 or earlier allows unsanitized input to be passed to the system function, potentially enabling an attacker to execute arbitrary code as the PHP user by sending a POST request using the search form.

The Impact of CVE-2018-1000533

This vulnerability could lead to remote code execution on the affected system, posing a significant security risk.

Technical Details of CVE-2018-1000533

GitList version 0.6 or earlier is susceptible to this vulnerability.

Vulnerability Description

The issue arises from passing incorrectly sanitized input to the system function in the

searchTree

function, enabling the execution of arbitrary code.

Affected Systems and Versions

Product: GitList
Vendor: klaussilveira
Versions affected: <= 0.6

Exploitation Mechanism

The vulnerability can be exploited by sending a POST request using the search form in GitList.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Upgrade GitList to version 0.7 or later, specifically after commit 87b8c26b023c3fc37f0796b14bb13710f397b322.
Monitor for any suspicious activities on the system.

Long-Term Security Practices

Regularly update and patch software to the latest versions.
Implement input sanitization and validation to prevent similar vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.
Educate developers on secure coding practices.

Patching and Updates

Ensure that GitList is regularly updated to the latest version to mitigate the risk of exploitation.