CVE-2021-35083 : Security Advisory and Response

The CVE-2021-35083 vulnerability affects various Qualcomm products, leading to a possible out-of-bound read due to improper validation of the certificate chain in SSL or Internet key exchange.

Understanding CVE-2021-35083

This section delves deeper into the specifics of the CVE-2021-35083 vulnerability.

What is CVE-2021-35083?

The CVE-2021-35083 vulnerability arises from a possible out-of-bound read caused by inadequate validation of the certificate chain in SSL or Internet key exchange in multiple Qualcomm products.

The Impact of CVE-2021-35083

The impact of this vulnerability includes a high confidentiality impact, a low availability impact, and a high base severity score of 8.2 CVSS 3.1 base score.

Technical Details of CVE-2021-35083

This section provides technical insights into CVE-2021-35083.

Vulnerability Description

The vulnerability involves a buffer over-read in data modem functionalities within the affected Qualcomm products.

Affected Systems and Versions

Qualcomm products such as Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited through improper validation of the certificate chain in SSL or Internet key exchange mechanisms.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE-2021-35083 vulnerability is crucial for maintaining cybersecurity.

Immediate Steps to Take

Immediate steps include applying relevant security patches, monitoring network traffic, and ensuring SSL certificate validation.

Long-Term Security Practices

Implementing regular security audits, conducting thorough code reviews, and enhancing SSL validation processes are key for long-term security.

Patching and Updates

Regularly updating the affected Qualcomm products with the latest security patches from the vendor is essential to address this vulnerability.