CVE-2018-17769 : Exploit Details and Defense Strategies
Learn about CVE-2018-17769, a critical buffer overflow vulnerability in Ingenico Telium 2 POS terminals via the NTPT3 protocol. Find out the impact, affected systems, and mitigation steps.
Ingenico Telium 2 POS terminals are affected by a buffer overflow vulnerability in the NTPT3 protocol, specifically through the 0x26 command. Ingenico has released a patch under the Telium 2 SDK v9.32.03 to address this issue.
Understanding CVE-2018-17769
This CVE entry highlights a critical vulnerability in Ingenico Telium 2 POS terminals that could be exploited through a specific command, leading to a buffer overflow.
What is CVE-2018-17769?
The CVE-2018-17769 vulnerability involves a buffer overflow in the NTPT3 protocol of Ingenico Telium 2 POS terminals, triggered by the 0x26 command.
The Impact of CVE-2018-17769
The presence of this vulnerability could allow attackers to execute arbitrary code or crash the affected POS terminals, potentially leading to a denial of service (DoS) situation.
Technical Details of CVE-2018-17769
This section delves into the technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from a buffer overflow in the NTPT3 protocol of Ingenico Telium 2 POS terminals, specifically through the 0x26 command.
Affected Systems and Versions
- Product: Ingenico Telium 2 POS terminals
- Versions: All versions are affected
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted commands, such as the 0x26 command, to the affected POS terminals, triggering a buffer overflow.
Mitigation and Prevention
To safeguard systems from CVE-2018-17769, immediate steps and long-term security practices are crucial.
Immediate Steps to Take
- Apply the patch released by Ingenico under the Telium 2 SDK v9.32.03, known as patch N
- Monitor POS terminals for any suspicious activities or crashes
Long-Term Security Practices
- Regularly update POS terminal software and firmware to the latest versions
- Implement network segmentation to isolate POS systems from other critical systems
Patching and Updates
Regularly check for security updates and patches from Ingenico to address any new vulnerabilities and ensure the continued security of the POS terminals.