CVE-2018-5225 : What You Need to Know

Atlassian Bitbucket Server versions 4.13.0 to 5.8.2 are vulnerable to remote code execution through in-browser editing.

Understanding CVE-2018-5225

This CVE involves a security vulnerability in Atlassian Bitbucket Server that allows authenticated users to execute code remotely by manipulating symbolic links within a repository.

What is CVE-2018-5225?

The vulnerability in Atlassian Bitbucket Server versions 4.13.0 to 5.8.2 enables authenticated users to exploit in-browser editing functionality to execute code remotely.

The Impact of CVE-2018-5225

The vulnerability poses a significant risk as it allows attackers to gain unauthorized access and execute malicious code on the affected systems.

Technical Details of CVE-2018-5225

Atlassian Bitbucket Server versions 4.13.0 to 5.8.2 are susceptible to remote code execution through the in-browser editing feature.

Vulnerability Description

The flaw permits authenticated users to manipulate symbolic links within a repository, leading to remote code execution.

Affected Systems and Versions

Bitbucket Server 4.13.0 to 5.4.8
Bitbucket Server 5.5.0 to 5.5.8
Bitbucket Server 5.6.0 to 5.6.5
Bitbucket Server 5.7.0 to 5.7.3
Bitbucket Server 5.8.0 to 5.8.2

Exploitation Mechanism

Attackers can exploit the vulnerability by editing symbolic links within a repository using the in-browser editing feature.

Mitigation and Prevention

To address CVE-2018-5225, follow these steps:

Immediate Steps to Take

Upgrade Bitbucket Server to the fixed versions.
Monitor repository activities for suspicious changes.
Enforce strong authentication measures.

Long-Term Security Practices

Regularly update and patch Atlassian Bitbucket Server.
Conduct security training for users on safe coding practices.

Patching and Updates

Apply security patches provided by Atlassian promptly.