CVE-2021-35110 : What You Need to Know

Qualcomm's Snapdragon Connectivity and Snapdragon Mobile are impacted by a vulnerability that could lead to a buffer overflow due to improper validation of the hash segment of a file during memory allocation.

Understanding CVE-2021-35110

This CVE relates to a security flaw in Qualcomm's Snapdragon Connectivity and Snapdragon Mobile products, potentially leading to a buffer overflow.

What is CVE-2021-35110?

The CVE-2021-35110 vulnerability arises from inadequate validation of the hash segment of a file while allocating memory, opening the door to a buffer overflow.

The Impact of CVE-2021-35110

With a CVSS base score of 8.1 (High Severity), this vulnerability can have severe impacts on confidentiality, integrity, and availability, especially for local attackers with a high attack complexity.

Technical Details of CVE-2021-35110

This section delves into the specifics of the vulnerability affecting Qualcomm's products.

Vulnerability Description

The issue stems from improper hash segment validation during memory allocation, which can be exploited for a buffer overflow attack.

Affected Systems and Versions

Qualcomm's Snapdragon Connectivity and Snapdragon Mobile devices are affected, including versions SD 8 Gen1 5G, WCD9380, WCN6855, WCN6856, WSA8830, and WSA8835.

Exploitation Mechanism

The vulnerability allows attackers to trigger a buffer overflow by manipulating the hash segment of a file during memory allocation.

Mitigation and Prevention

To address CVE-2021-35110, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Users should apply security patches and updates provided by Qualcomm to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update your device's software and follow security best practices to reduce exposure to similar vulnerabilities.

Patching and Updates

Stay informed about security advisories from Qualcomm and apply patches promptly to safeguard your devices.