CVE-2018-1438 : Security Advisory and Response

IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize, and IBM FlashSystem products are vulnerable to unauthorized access through the web handler /DLSnap. Versions 6.1 to 8.1.1 are affected.

Understanding CVE-2018-1438

An unauthorized user could potentially access and view any files on the system through the web handler /DLSnap in IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize, and IBM FlashSystem products.

What is CVE-2018-1438?

This vulnerability allows an unauthenticated attacker to read arbitrary files on the system in IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize, and IBM FlashSystem products.

The Impact of CVE-2018-1438

Unauthorized users can access and view files on the system.

Technical Details of CVE-2018-1438

The following technical details provide insight into the vulnerability.

Vulnerability Description

The web handler /DLSnap in IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize, and IBM FlashSystem products allows unauthorized access to system files.

Affected Systems and Versions

Versions 6.1 to 8.1.1 of IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize, and IBM FlashSystem products are affected.

Exploitation Mechanism

Unauthorized users exploit the /DLSnap web handler to access and view files on the system.

Mitigation and Prevention

Protect your systems from CVE-2018-1438 with these mitigation strategies.

Immediate Steps to Take

Apply security patches provided by IBM.
Restrict access to the /DLSnap web handler.
Monitor system files for unauthorized access.

Long-Term Security Practices

Regularly update and patch your systems.
Implement access controls and authentication mechanisms.

Patching and Updates

IBM has released patches to address this vulnerability. Ensure timely installation of these patches.