CVE-2020-11171 Explained : Impact and Mitigation

Buffer over-read can happen while parsing received SDP values due to lack of NULL termination check on SDP in various Qualcomm Snapdragon products.

Understanding CVE-2020-11171

This CVE involves a buffer over-read issue in Qualcomm Snapdragon products, potentially leading to security vulnerabilities.

What is CVE-2020-11171?

CVE-2020-11171 is a vulnerability that can occur during the parsing of SDP values in multiple Qualcomm Snapdragon product lines due to a missing NULL termination check.

The Impact of CVE-2020-11171

The vulnerability could be exploited by malicious actors to trigger buffer over-read, potentially leading to information disclosure or system crashes.

Technical Details of CVE-2020-11171

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability arises from a lack of NULL termination check on SDP values, allowing for buffer over-read during parsing.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Affected Products:
Snapdragon Auto
Snapdragon Compute
Snapdragon Connectivity
Snapdragon Consumer IOT
Snapdragon Industrial IOT
Snapdragon IoT
Snapdragon Mobile
Snapdragon Voice & Music
Snapdragon Wearables
Affected Versions:
List of numerous versions truncated due to length

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious SDP values to trigger buffer over-read during parsing, potentially leading to security breaches.

Mitigation and Prevention

Protecting systems from CVE-2020-11171 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor for any unusual system behavior that might indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and firmware to ensure the latest security fixes 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 updates from Qualcomm to address CVE-2020-11171 and other vulnerabilities effectively.