CVE-2022-33250 : What You Need to Know
Learn about CVE-2022-33250, a high-severity vulnerability in Qualcomm Snapdragon products, leading to Transient DOS. Find mitigation strategies and patch updates.
A detailed analysis of CVE-2022-33250 focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2022-33250
In this section, we delve into the specifics of the CVE-2022-33250 vulnerability and its implications.
What is CVE-2022-33250?
The CVE-2022-33250 vulnerability refers to Transient DOS resulting from a reachable assertion in the modem when the network repeatedly sends an invalid message container for NR to LTE handover.
The Impact of CVE-2022-33250
The vulnerability's impact is significant, with a CVSSv3.1 base score of 7.5 (High), mainly affecting Qualcomm's Snapdragon series products. The attack vector is through the network, with a high availability impact.
Technical Details of CVE-2022-33250
This section delves into the technical aspects of the CVE-2022-33250 vulnerability.
Vulnerability Description
The vulnerability involves a reachable assertion in the modem due to handling invalid message containers during network transitions, leading to a Transient DOS condition.
Affected Systems and Versions
The CVE-2022-33250 vulnerability affects various Qualcomm Snapdragon products, including AR8035, QCA6390, QCA6421, QCA6436, SD865 5G, SD888, and many more.
Exploitation Mechanism
The exploitation of this vulnerability occurs when the network continuously sends incorrect message containers, triggering the reachable assertion in the modem and causing a Denial of Service condition.
Mitigation and Prevention
In this section, we discuss the immediate steps to take and long-term security practices to mitigate the CVE-2022-33250 vulnerability.
Immediate Steps to Take
System administrators and users must apply vendor-provided patches as soon as they are available. Additionally, monitoring network traffic for unusual patterns can help in early detection.
Long-Term Security Practices
Implementing strict network access control policies, conducting regular security assessments, and keeping systems up-to-date with patches are essential long-term security measures to prevent similar vulnerabilities.
Patching and Updates
Qualcomm has released patches to address the CVE-2022-33250 vulnerability. Ensure timely patching and follow vendor recommendations to secure affected systems.