CVE-2019-14113 : Security Advisory and Response
Learn about CVE-2019-14113, a buffer overflow vulnerability in WLAN firmware of Qualcomm Snapdragon products, potentially impacting various chipsets. Find mitigation steps and updates.
A potential buffer overflow vulnerability has been identified in WLAN firmware across various Snapdragon products, potentially impacting a wide range of chipsets.
Understanding CVE-2019-14113
What is CVE-2019-14113?
The vulnerability involves a buffer overflow that may occur in WLAN firmware when processing EAPOL handshake frames using the CCMP cipher suite in multiple Snapdragon products.
The Impact of CVE-2019-14113
This vulnerability affects a significant number of Qualcomm chipsets, potentially leading to security breaches and unauthorized access.
Technical Details of CVE-2019-14113
Vulnerability Description
The issue arises from a potential buffer overflow during the unwrapping of data with the CCMP cipher suite in WLAN firmware.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IoT, Industrial IoT, IoT, Mobile, Voice & Music, Wired Infrastructure, Networking
- Chipsets: APQ8009, APQ8017, APQ8053, APQ8064, APQ8096, APQ8096AU, APQ8098, IPQ6018, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8996AU, MSM8998, Nicobar, QCA4531, QCA6174A, QCA6564, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA8081, QCA9377, QCA9379, QCA9886, QCN7605, QCS404, QCS405, QCS605, Rennell, SA6155P, SC7180, SC8180X, SDA660, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SM6150, SM7150, SM8150, SXR1130, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by attackers to potentially execute arbitrary code or cause denial of service by triggering the buffer overflow.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm to address the vulnerability.
- 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.
- Implement network segmentation and access controls to limit the impact of potential security breaches.
Patching and Updates
- Qualcomm has released security bulletins addressing the CVE-2019-14113 vulnerability.