CVE-2017-15823 : Security Advisory and Response
Learn about CVE-2017-15823, an improper input validation vulnerability in WLAN affecting Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android versions, potentially leading to buffer overflow and code execution.
A potential buffer overflow vulnerability in spectral_create_samp_msg() affects Android for MSM, Firefox OS for MSM, and QRD Android versions prior to 2017-10-11 due to inadequate validation of certain firmware values.
Understanding CVE-2017-15823
This CVE entry highlights a vulnerability in Qualcomm's Android for MSM, Firefox OS for MSM, and QRD Android platforms that could lead to a buffer overflow.
What is CVE-2017-15823?
CVE-2017-15823 is an improper input validation vulnerability in WLAN that could be exploited to trigger a buffer overflow in specific Qualcomm products.
The Impact of CVE-2017-15823
The vulnerability could allow attackers to execute arbitrary code or crash the affected systems, potentially leading to a denial of service (DoS) condition.
Technical Details of CVE-2017-15823
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The issue arises from the inadequate validation of certain firmware values in spectral_create_samp_msg(), creating a potential buffer overflow.
Affected Systems and Versions
- Product: Android for MSM, Firefox OS for MSM, QRD Android
- Vendor: Qualcomm, Inc.
- Versions: All Android releases from CAF using the Linux kernel
Exploitation Mechanism
The vulnerability can be exploited by manipulating specific firmware values to trigger a buffer overflow, potentially leading to arbitrary code execution.
Mitigation and Prevention
To address CVE-2017-15823, immediate steps and long-term security practices are essential.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor vendor security bulletins for updates and advisories.
Long-Term Security Practices
- Implement strict input validation mechanisms in WLAN components.
- Conduct regular security assessments and audits to identify and mitigate similar vulnerabilities.
Patching and Updates
Regularly update firmware and software to the latest versions that include security patches addressing CVE-2017-15823.