CVE-2020-10125 : What You Need to Know

NCR SelfServ ATMs running APTRA XFS 04.02.01 and 05.01.00 are affected by a vulnerability that allows attackers with physical access to break 512-bit RSA certificates, enabling them to sign arbitrary files and bypass application whitelisting.

Understanding CVE-2020-10125

This CVE involves inadequate encryption strength in NCR SelfServ ATMs, potentially leading to arbitrary code execution.

What is CVE-2020-10125?

This CVE pertains to a security flaw in NCR SelfServ ATMs using specific versions of APTRA XFS that can be exploited by attackers with physical access.

The Impact of CVE-2020-10125

The vulnerability allows attackers to compromise the integrity of software updates and execute unauthorized code on the ATM, posing a significant security risk.

Technical Details of CVE-2020-10125

NCR SelfServ ATMs running APTRA XFS 04.02.01 and 05.01.00 are susceptible to the following:

Vulnerability Description

Attackers can break 512-bit RSA certificates used for software updates.
This enables them to sign arbitrary files and CAB archives, bypassing application whitelisting.

Affected Systems and Versions

Product: SelfServ ATM
Vendor: NCR
Vulnerable Versions: APTRA XFS 04.02.01, 05.01.00

Exploitation Mechanism

Attackers with physical access can exploit the weak encryption to compromise software updates and execute arbitrary code.

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risks associated with CVE-2020-10125.

Immediate Steps to Take

Monitor ATM physical security to prevent unauthorized access.
Regularly update and patch ATM software to address vulnerabilities.

Long-Term Security Practices

Implement strong encryption protocols for software updates.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply security patches provided by NCR to address the encryption weakness and enhance ATM security.