CVE-2020-11163 : Security Advisory and Response

Possible buffer overflow while updating ikev2 parameters due to lack of check of input validation for certain parameters received from the ePDG server in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile.

Understanding CVE-2020-11163

This CVE involves a possible buffer overflow vulnerability in multiple Qualcomm products due to improper validation of array index in the data modem.

What is CVE-2020-11163?

The vulnerability arises from a lack of input validation for specific parameters received from the ePDG server, potentially leading to a buffer overflow when updating ikev2 parameters.

The Impact of CVE-2020-11163

The vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on affected devices, posing a significant security risk.

Technical Details of CVE-2020-11163

Vulnerability Description

The vulnerability stems from improper validation of array index in the data modem, allowing for a potential buffer overflow during ikev2 parameter updates.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
Versions: APQ8017, AQT1000, AR8035, and many more (extensive list provided by the vendor).

Exploitation Mechanism

The vulnerability can be exploited by sending crafted input parameters to the affected devices, triggering a buffer overflow condition.

Mitigation and Prevention

Immediate Steps to Take

Apply patches and updates provided by Qualcomm to address the vulnerability.
Monitor vendor communications for any specific mitigation guidance.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security patches are in place.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and advisories from Qualcomm to promptly apply necessary patches and updates.