CVE-2018-11870 : What You Need to Know
Learn about CVE-2018-11870, a buffer overwrite vulnerability in Qualcomm Snapdragon platforms. Find out the impacted systems, versions, exploitation mechanism, and mitigation steps.
A buffer overwrite vulnerability affecting various Qualcomm Snapdragon platforms, including Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear.
Understanding CVE-2018-11870
This CVE involves a buffer overwrite issue in multiple Qualcomm Snapdragon versions.
What is CVE-2018-11870?
Buffer overwrite can occur in Qualcomm Snapdragon platforms when the legacy rates count received from the host is not properly checked against the maximum number of legacy rates allowed.
The Impact of CVE-2018-11870
The vulnerability could allow an attacker to exploit the buffer overwrite issue, potentially leading to unauthorized access or denial of service.
Technical Details of CVE-2018-11870
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises due to inadequate validation of legacy rates count against the maximum allowed in various Qualcomm Snapdragon platforms.
Affected Systems and Versions
- Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
- Versions: MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA4531, QCA6174A, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, SD 210/SD 212/SD 205, SD 425, SD 600, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDX20
Exploitation Mechanism
The vulnerability can be exploited when the legacy rates count is not properly validated, allowing malicious actors to trigger a buffer overwrite.
Mitigation and Prevention
Steps to address and prevent the CVE-2018-11870 vulnerability.
Immediate Steps to Take
- Apply patches or updates provided by Qualcomm to fix the buffer overwrite issue.
- Monitor for any unusual network activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update firmware and software to ensure the latest security patches are in place.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Keep all affected Qualcomm Snapdragon platforms up to date with the latest firmware and security patches to mitigate the risk of exploitation.