CVE-2020-11251 Explained : Impact and Mitigation

An out-of-bounds read vulnerability in multiple Qualcomm Snapdragon products could lead to security risks.

Understanding CVE-2020-11251

This CVE involves a vulnerability in various Qualcomm Snapdragon products that could be exploited by attackers.

What is CVE-2020-11251?

The vulnerability allows for an out-of-bounds read while accessing DTMF payload due to a lack of buffer length check in Snapdragon devices.

The Impact of CVE-2020-11251

The CVSS base score is 8.2, indicating a high severity level with a high impact on confidentiality.

Technical Details of CVE-2020-11251

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from a lack of buffer length validation when accessing DTMF payload in various Qualcomm Snapdragon products.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables
Versions: APQ8009, APQ8009W, APQ8017, and many more

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating DTMF payload to trigger an out-of-bounds read.

Mitigation and Prevention

To address CVE-2020-11251, follow these steps:

Immediate Steps to Take

Apply patches provided by Qualcomm promptly
Monitor for any unusual network activity
Implement network segmentation to limit the impact of potential attacks

Long-Term Security Practices

Regularly update software and firmware on affected devices
Conduct security assessments and penetration testing

Patching and Updates

Stay informed about security bulletins from Qualcomm
Apply security updates as soon as they are released