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CVE-2020-11205 : What You Need to Know

Learn about CVE-2020-11205, an integer overflow vulnerability impacting Snapdragon Auto, Compute, and Mobile products by Qualcomm. Find out the affected systems, exploitation risks, and mitigation steps.

Snapdragon Auto, Snapdragon Compute, Snapdragon Mobile by Qualcomm, Inc. are affected by an integer overflow vulnerability leading to a heap overflow. This CVE has a significant impact on various versions of the mentioned products.

Understanding CVE-2020-11205

This CVE identifies an integer overflow issue in Bluetooth SOC that can result in a heap overflow due to inadequate packet length verification.

What is CVE-2020-11205?

The vulnerability stems from a lack of checking the length of packets received during command processing in Snapdragon Auto, Snapdragon Compute, and Snapdragon Mobile devices.

The Impact of CVE-2020-11205

The vulnerability can be exploited to trigger a heap overflow, potentially leading to arbitrary code execution or denial of service attacks.

Technical Details of CVE-2020-11205

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The issue involves an integer overflow that can escalate to a heap overflow during command processing, posing a security risk in affected Qualcomm products.

Affected Systems and Versions

        Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Mobile
        Versions: QSM8350, SA6145P, SA6150P, SA6155, SA6155P, SA8150P, SA8155P, SA8195P, SDX55M, SM8250, SM8350, SM8350P, SXR2130, SXR2130P

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted packets with manipulated lengths, triggering the overflow condition.

Mitigation and Prevention

Protecting systems from CVE-2020-11205 requires immediate actions and long-term security practices.

Immediate Steps to Take

        Apply patches provided by Qualcomm promptly to address the vulnerability.
        Monitor for any unusual network activity that could indicate exploitation attempts.

Long-Term Security Practices

        Regularly update software and firmware to mitigate potential vulnerabilities.
        Implement network segmentation and access controls to limit the impact of successful attacks.

Patching and Updates

        Stay informed about security bulletins and updates from Qualcomm to ensure timely patching of known vulnerabilities.

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