CVE-2020-11191 Explained : Impact and Mitigation

Out of bound read occurs while processing crafted SDP due to lack of check of null string in multiple Qualcomm Snapdragon products.

Understanding CVE-2020-11191

This CVE involves an out-of-bound read vulnerability in various Qualcomm Snapdragon products, potentially leading to security risks.

What is CVE-2020-11191?

The vulnerability arises from a lack of proper validation of null strings while processing crafted SDP in a range of Qualcomm Snapdragon products.

The Impact of CVE-2020-11191

The CVSS base score for this vulnerability is 8.2, indicating a high severity level. The confidentiality impact is high, while the availability impact is low.

Technical Details of CVE-2020-11191

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves an out-of-bound read issue triggered by crafted SDP processing due to the absence of null string checks.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more
Versions: A wide range of versions across various Snapdragon products

Exploitation Mechanism

The vulnerability can be exploited through crafted SDP processing, potentially leading to unauthorized access or information disclosure.

Mitigation and Prevention

Protecting systems from CVE-2020-11191 is crucial to maintain security.

Immediate Steps to Take

Apply patches provided by Qualcomm promptly
Monitor vendor communications for updates and advisories
Implement network segmentation to limit exposure

Long-Term Security Practices

Regularly update software and firmware to the latest versions
Conduct security assessments and penetration testing
Educate users on safe browsing and email practices

Patching and Updates

Refer to Qualcomm's security bulletin for specific patch details and instructions