CVE-2017-3744 : Exploit Details and Defense Strategies

A vulnerability in Lenovo System x IMM2 firmware versions earlier than 4.10 and IBM System x IMM2 firmware versions earlier than 6.20 could lead to the disclosure of login credentials.

Understanding CVE-2017-3744

If the service log is generated during the execution of a remote command issued by LXCA or other utilities, the IMM2 firmware of Lenovo System x servers may record the command data in the First Failure Data Capture (FFDC) service log. This captured command data might include login information in clear text, potentially accessible to authorized users.

What is CVE-2017-3744?

The vulnerability allows users with authorization to capture and export FFDC service log data to access remote commands containing login information.

The Impact of CVE-2017-3744

The vulnerability could result in the exposure of sensitive login credentials to users with local privileges, compromising system security.

Technical Details of CVE-2017-3744

The technical aspects of the vulnerability are as follows:

Vulnerability Description

In Lenovo System x IMM2 firmware versions earlier than 4.10 and IBM System x IMM2 firmware versions earlier than 6.20, remote commands executed by LXCA or other utilities may be logged in the FFDC service log, potentially containing clear text login information.

Affected Systems and Versions

Product: Lenovo System x IMM2
Vendor: Lenovo Group Ltd.
Versions Affected: Lenovo System x IMM2 firmware versions earlier than 4.10 and IBM System x IMM2 firmware versions earlier than 6.20

Exploitation Mechanism

Authorized users with the ability to capture and export FFDC service log data can exploit the vulnerability to access remote commands and potentially sensitive login information.

Mitigation and Prevention

To address CVE-2017-3744, consider the following steps:

Immediate Steps to Take

Update the IMM2 firmware to versions 4.10 for Lenovo System x and 6.20 for IBM System x to mitigate the vulnerability.
Restrict access to FFDC service log data to authorized personnel only.

Long-Term Security Practices

Regularly monitor and audit access to sensitive system logs and data.
Implement strong authentication mechanisms to control access to critical system components.

Patching and Updates

Apply firmware updates and security patches promptly to prevent exploitation of known vulnerabilities.