CVE-2020-11268 : Security Advisory and Response

Snapdragon Auto and Snapdragon Mobile devices by Qualcomm, Inc. are affected by a vulnerability that can lead to denial of service due to a potential UE reset while decoding crafted Sib1 or SIB1.

Understanding CVE-2020-11268

This CVE involves a vulnerability in Snapdragon Auto and Snapdragon Mobile devices that could result in a denial of service attack.

What is CVE-2020-11268?

The CVE-2020-11268 vulnerability can trigger a potential UE reset when decoding a specifically crafted Sib1 or SIB1 that schedules unsupported SIBs, potentially leading to a denial of service in Snapdragon Auto and Snapdragon Mobile devices.

The Impact of CVE-2020-11268

The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.5. The attack complexity is LOW, and the availability impact is HIGH.

Technical Details of CVE-2020-11268

This section provides more technical insights into the CVE-2020-11268 vulnerability.

Vulnerability Description

The vulnerability involves improper input validation in LTE, specifically affecting Snapdragon Auto and Snapdragon Mobile devices.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Mobile
Versions: APQ8009, APQ8016, APQ8074, APQ8084, APQ8094, AR6003, MDM8215, MDM8215M, and more

Exploitation Mechanism

The vulnerability can be exploited by decoding a crafted Sib1 or SIB1 that schedules unsupported SIBs, leading to a potential UE reset and denial of service.

Mitigation and Prevention

To address CVE-2020-11268, follow these mitigation strategies:

Immediate Steps to Take

Apply patches provided by Qualcomm, Inc.
Monitor official sources for security bulletins and updates

Long-Term Security Practices

Regularly update software and firmware on affected devices
Implement network security measures to detect and prevent potential attacks

Patching and Updates

Stay informed about security advisories from Qualcomm, Inc.
Apply recommended patches promptly to mitigate the vulnerability