CVE-2020-10124 : Exploit Details and Defense Strategies

NCR SelfServ ATMs running APTRA XFS 05.01.00 have a vulnerability that could allow attackers to execute arbitrary code and commit deposit forgery.

Understanding CVE-2020-10124

NCR SelfServ ATMs running APTRA XFS 05.01.00 are susceptible to attacks due to missing encryption, authentication, and integrity verification of messages.

What is CVE-2020-10124?

This CVE refers to a security vulnerability in NCR SelfServ ATMs running APTRA XFS 05.01.00 that enables attackers with physical access to the ATM's internal components to execute arbitrary code, potentially leading to deposit forgery.

The Impact of CVE-2020-10124

Attackers with physical access to the ATM can exploit the vulnerability to execute arbitrary code.
The lack of message encryption, authentication, and integrity verification poses a significant security risk.

Technical Details of CVE-2020-10124

NCR SelfServ ATMs running APTRA XFS 05.01.00 are affected by a critical security flaw.

Vulnerability Description

The vulnerability arises from the failure to encrypt, authenticate, or verify message integrity between the BNA and the host computer, allowing attackers to execute arbitrary code.

Affected Systems and Versions

Product: SelfServ ATM
Vendor: NCR
Vulnerable Version: APTRA XFS 05.01.00

Exploitation Mechanism

Attackers with physical access to the ATM's internal components can exploit the lack of message encryption, authentication, and integrity verification to execute arbitrary code.

Mitigation and Prevention

Immediate action is crucial to mitigate the risks posed by CVE-2020-10124.

Immediate Steps to Take

Implement physical security measures to prevent unauthorized access to ATM components.
Regularly monitor ATMs for any signs of tampering or unauthorized activities.
Update to a patched version of APTRA XFS to address the vulnerability.

Long-Term Security Practices

Conduct regular security assessments and penetration testing on ATMs.
Train personnel on ATM security best practices and protocols.

Patching and Updates

Apply security patches provided by NCR to fix the encryption, authentication, and integrity verification issues in APTRA XFS 05.01.00.