CVE-2017-17668 : Security Advisory and Response

This CVE involves a security vulnerability in the memory write mechanism of the NCR S1 Dispenser controller, allowing unauthorized individuals to modify the device's firmware.

Understanding CVE-2017-17668

This CVE was published on March 20, 2018, by MITRE.

What is CVE-2017-17668?

The memory write mechanism in the NCR S1 Dispenser controller before firmware version 0x0156 allows unauthenticated users to upgrade or downgrade the device's firmware, potentially exposing it to known vulnerabilities.

The Impact of CVE-2017-17668

The vulnerability enables unauthorized individuals to manipulate the device's firmware, including installing older versions with known security flaws.

Technical Details of CVE-2017-17668

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The memory write mechanism in the NCR S1 Dispenser controller before firmware version 0x0156 allows an unauthenticated user to modify the device's firmware, potentially compromising its security.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions Affected: N/A

Exploitation Mechanism

Unauthorized individuals can exploit this vulnerability to alter the firmware of the NCR S1 Dispenser controller, potentially compromising its security.

Mitigation and Prevention

Protecting systems from CVE-2017-17668 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade the firmware of the NCR S1 Dispenser controller to version 0x0156 or higher.
Implement access controls to prevent unauthorized firmware modifications.

Long-Term Security Practices

Regularly monitor and update firmware to address security vulnerabilities.
Conduct security assessments to identify and mitigate potential risks.

Patching and Updates

Stay informed about security alerts and patches released by NCR to address vulnerabilities like CVE-2017-17668.