CVE-2020-11162 : Vulnerability Insights and Analysis

A buffer overflow vulnerability in Qualcomm Snapdragon products could allow attackers to execute arbitrary code or cause a denial of service.

Understanding CVE-2020-11162

This CVE involves a lack of input parameter validation in the MHI driver, potentially leading to a buffer overflow.

What is CVE-2020-11162?

The vulnerability stems from inadequate validation of End of Transfer (EOT) events received from MHI device side in various Qualcomm Snapdragon products.

The Impact of CVE-2020-11162

If exploited, attackers could trigger a buffer overflow, enabling them to execute malicious code or disrupt system operations, posing a significant security risk.

Technical Details of CVE-2020-11162

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

Vulnerability Description

The vulnerability involves a possible buffer overflow in the MHI driver due to the lack of input parameter validation of EOT events received from the MHI device side.

Affected Systems and Versions

Affected Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables, Wired Infrastructure, and Networking
Affected Versions: Agatti, APQ8009, Bitra, and more (refer to vendor's advisory for full list)

Exploitation Mechanism

The vulnerability can be exploited by sending crafted EOT events to the MHI driver, causing a buffer overflow and potentially leading to arbitrary code execution.

Mitigation and Prevention

To safeguard systems from CVE-2020-11162, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability promptly.
Monitor vendor communications for updates and security advisories.

Long-Term Security Practices

Implement strict input validation mechanisms in drivers to prevent buffer overflows.
Conduct regular security assessments and audits to identify and mitigate potential vulnerabilities.

Patching and Updates

Regularly update Qualcomm Snapdragon products with the latest security patches and firmware releases to mitigate known vulnerabilities effectively.