CVE-2021-30273 : Security Advisory and Response

This article provides details about CVE-2021-30273, a vulnerability affecting multiple Qualcomm products.

Understanding CVE-2021-30273

This CVE involves a possible assertion due to improper handling of IPV6 packets with invalid length in the destination options header in various Qualcomm products.

What is CVE-2021-30273?

The CVE-2021-30273 vulnerability is related to the mishandling of IPV6 packets with incorrect length in the destination options header in Qualcomm products.

The Impact of CVE-2021-30273

The vulnerability can result in a possible assertion, potentially leading to denial of service due to high availability impact with a CVSS base score of 7.5.

Technical Details of CVE-2021-30273

This section provides the technical details of the CVE.

Vulnerability Description

The vulnerability arises from improper handling of IPV6 packets with invalid length in the destination options header in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables by Qualcomm.

Affected Systems and Versions

The affected products include a wide range of Qualcomm products encompassing various versions such as APQ8009W, APQ8096AU, AR6003, and many more.

Exploitation Mechanism

The vulnerability can be exploited through network vectors with low attack complexity, requiring no privileges and user interaction.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2021-30273.

Immediate Steps to Take

Immediate actions include applying patches provided by Qualcomm to address the vulnerability, ensuring systems are up-to-date with security fixes.

Long-Term Security Practices

Regularly updating systems, implementing network security measures, and monitoring for any unusual network activities can enhance long-term security.

Patching and Updates

Timely installation of patches released by Qualcomm is crucial to safeguard against potential exploits of CVE-2021-30273.