CVE-2018-18975 : What You Need to Know
Discover the security flaw in Ascensia Contour NEXT ONE app for iOS pre-2019-01-15, allowing attackers to intercept communications and access medical data. Learn mitigation steps.
A vulnerability has been identified in the Ascensia Contour NEXT ONE app for iOS, potentially exposing personal medical data due to a suboptimal certificate-pinning implementation.
Understanding CVE-2018-18975
This CVE entry highlights a security flaw in the Ascensia Contour NEXT ONE app for iOS that could allow attackers to intercept communications and access sensitive medical information.
What is CVE-2018-18975?
The vulnerability in the Ascensia Contour NEXT ONE app for iOS, discovered before January 15, 2019, enables attackers to eavesdrop on communications between the app and Ascensia backend servers.
The Impact of CVE-2018-18975
Exploiting this vulnerability could lead to the exposure of personal medical data, posing a significant risk to user privacy and confidentiality.
Technical Details of CVE-2018-18975
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The weakness lies in the app's certificate-pinning implementation, allowing malicious actors to intercept and potentially manipulate sensitive data transmissions.
Affected Systems and Versions
- Product: Ascensia Contour NEXT ONE app for iOS
- Versions: All versions prior to 2019-01-15
Exploitation Mechanism
Attackers can exploit the flawed certificate-pinning to perform man-in-the-middle attacks, intercepting and tampering with data exchanged between the app and backend servers.
Mitigation and Prevention
Protecting against CVE-2018-18975 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update the Ascensia Contour NEXT ONE app to the latest version to patch the vulnerability.
- Avoid using unsecured networks to mitigate the risk of interception.
Long-Term Security Practices
- Implement robust certificate-pinning mechanisms to enhance communication security.
- Regularly monitor and audit app communications for any suspicious activities.
Patching and Updates
- Stay vigilant for security updates from Ascensia to address vulnerabilities promptly.