CVE-2018-19586 Explained : Impact and Mitigation

Silverpeas versions 5.15 to 6.0.2 are vulnerable to a Directory Traversal flaw that can be exploited during file uploads, potentially leading to unauthorized file writing and command execution.

Understanding CVE-2018-19586

This CVE involves a security vulnerability in Silverpeas versions 5.15 to 6.0.2 that allows attackers to perform unauthorized actions on the system.

What is CVE-2018-19586?

The vulnerability in Silverpeas versions 5.15 to 6.0.2 enables attackers to write files on the system and execute commands with the same privileges as the application user.

The Impact of CVE-2018-19586

Exploiting this vulnerability can result in unauthorized file writing and potential command execution by attackers, posing a significant security risk to affected systems.

Technical Details of CVE-2018-19586

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw arises due to a mishandled call to StringUtil.java in core/webapi/upload/FileUploadData.java during file uploads, allowing attackers to write files and execute commands.

Affected Systems and Versions

Silverpeas versions 5.15 to 6.0.2

Exploitation Mechanism

Attackers can exploit the vulnerability by uploading files, enabling them to write arbitrary files on the system and execute commands with the user's privileges.

Mitigation and Prevention

Protecting systems from CVE-2018-19586 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Silverpeas promptly.
Monitor system logs for any suspicious activities.
Restrict access to sensitive directories.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate potential risks.

Patching and Updates

Silverpeas users should ensure they update to the latest patched versions to mitigate the vulnerability effectively.