CVE-2019-14131 Explained : Impact and Mitigation
Learn about CVE-2019-14131, an out-of-bounds write vulnerability in Qualcomm Snapdragon chipsets affecting various products and versions. Find mitigation steps and long-term security practices here.
An out-of-bounds write vulnerability has been identified in various Qualcomm Snapdragon chipsets, potentially affecting multiple products and versions.
Understanding CVE-2019-14131
This CVE involves an out-of-bounds write issue in the radio measurement request process within specific Qualcomm Snapdragon chipsets.
What is CVE-2019-14131?
This vulnerability occurs when multiple invalid Radio Resource Management (RRM) measurement requests are received by the Station (STA) from the Access Point (AP) in Qualcomm Snapdragon chipsets like Snapdragon Auto, Compute, Consumer IoT, Industrial IoT, Mobile, and Voice & Music.
The Impact of CVE-2019-14131
The vulnerability could allow an attacker to trigger an out-of-bounds write, potentially leading to arbitrary code execution or a denial of service (DoS) condition.
Technical Details of CVE-2019-14131
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from improper validation of array index in WLAN, enabling the out-of-bounds write scenario.
Affected Systems and Versions
- Affected Products: Snapdragon Auto, Compute, Consumer IoT, Industrial IoT, Mobile, Voice & Music
- Affected Versions: APQ8053, APQ8096AU, MSM8998, Nicobar, QCA6574AU, QCS605, Rennell, SA6155P, Saipan, SC8180X, SDM660, SDM710, SDM845, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by sending multiple invalid RRM measurement requests from the AP to the STA, triggering the out-of-bounds write.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm to mitigate the vulnerability.
- Monitor Qualcomm's security bulletins for any relevant information or updates.
Long-Term Security Practices
- Regularly update firmware and software on affected devices to ensure security patches are in place.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security advisories and updates from Qualcomm to apply patches promptly and protect the affected systems.