CVE-2022-33228 : Security Advisory and Response

A buffer over-read vulnerability in Qualcomm's Snapdragon Industrial IOT platforms could lead to information disclosure. This CVE was published on April 4, 2023.

Understanding CVE-2022-33228

This section dives into the details of the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2022-33228?

The CVE-2022-33228 involves information disclosure due to buffer over-read in the modem while processing IPv6 packets with hop-by-hop or destination options in the header.

The Impact of CVE-2022-33228

The vulnerability poses a high risk with a CVSS base score of 8.2 (High severity). It can result in the exposure of sensitive information stored on affected devices.

Technical Details of CVE-2022-33228

Let's explore the technical specifics of this CVE in more detail.

Vulnerability Description

The vulnerability arises from a buffer over-read issue in the modem component, triggered by the processing of specific IPv6 packet configurations.

Affected Systems and Versions

This vulnerability affects various Qualcomm Snapdragon platforms, including Snapdragon Industrial IOT, Snapdragon LTE Modems (9205, 9206, 9207), MDM8207, QCA4004, QTS110, and more.

Exploitation Mechanism

The vulnerability can be exploited by sending crafted IPv6 packets with specific options to the affected devices, leading to the buffer over-read condition.

Mitigation and Prevention

Protecting systems from CVE-2022-33228 requires immediate actions as well as long-term security measures.

Immediate Steps to Take

Apply security patches provided by Qualcomm to address the vulnerability promptly.
Monitor network traffic for any signs of exploitation attempts targeting the vulnerability.

Long-Term Security Practices

Regularly update firmware and software on affected devices to mitigate potential security risks.
Conduct security training for personnel to increase awareness of cybersecurity best practices.

Patching and Updates

For detailed information and patch updates, refer to Qualcomm's April 2023 security bulletin available on their official website.