CVE-2018-11953 : Security Advisory and Response
Learn about CVE-2018-11953, a vulnerability in Qualcomm products that could lead to out-of-bounds access when processing ssid IE length from a remote AP. Find mitigation steps and affected systems here.
A vulnerability in various Qualcomm products could lead to out-of-bounds access when processing the ssid IE length from a remote AP.
Understanding CVE-2018-11953
This CVE involves a buffer over-read issue in WLAN affecting multiple Qualcomm products.
What is CVE-2018-11953?
The vulnerability arises from processing the ssid IE length from a remote AP, potentially allowing out-of-bounds access due to a crafted ssid IE length in Qualcomm products.
The Impact of CVE-2018-11953
The vulnerability could be exploited to execute arbitrary code or cause a denial of service on affected devices.
Technical Details of CVE-2018-11953
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue involves out-of-bounds access when handling the ssid IE length from a remote AP in various Qualcomm products.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Versions: MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 650/52, SD 820, SD 820A, SDM439, SDX20
Exploitation Mechanism
The vulnerability can be exploited by an attacker crafting a specific ssid IE length to trigger out-of-bounds access.
Mitigation and Prevention
Steps to address and prevent the CVE-2018-11953 vulnerability.
Immediate Steps to Take
- Apply patches provided by Qualcomm to fix the vulnerability.
- Monitor vendor security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update firmware and software to the latest versions.
- Implement network segmentation and access controls to limit exposure.
Patching and Updates
- Install security updates and patches from Qualcomm to mitigate the vulnerability.