CVE-2017-18063 : Security Advisory and Response
Learn about CVE-2017-18063, a critical out-of-bound memory access vulnerability affecting Android, Firefox OS, and QRD Android. Find mitigation steps and preventive measures here.
CVE-2017-18063 was published on March 15, 2018, by Qualcomm. The vulnerability involves out-of-bound memory access due to improper input validation in the function wma_nlo_match_evt_handler() affecting various platforms like Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF utilizing the Linux kernel.
Understanding CVE-2017-18063
This CVE entry highlights a critical security issue that could lead to memory access vulnerabilities on multiple platforms.
What is CVE-2017-18063?
The vulnerability stems from improper input validation for nlo_event in the wma_nlo_match_evt_handler() function, specifically related to data received from firmware. This flaw can potentially result in out-of-bound memory access.
The Impact of CVE-2017-18063
The vulnerability poses a significant risk as it could be exploited to gain unauthorized access to sensitive information or execute arbitrary code on affected systems.
Technical Details of CVE-2017-18063
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate input validation for nlo_event in the wma_nlo_match_evt_handler() function, leading to potential out-of-bound memory access.
Affected Systems and Versions
- Android for MSM
- Firefox OS for MSM
- QRD Android
- All Android releases from CAF using the Linux kernel
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious inputs related to nlo_event, which, when processed by the affected function, may result in accessing memory out of the intended boundaries.
Mitigation and Prevention
Protecting systems from CVE-2017-18063 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the respective vendors promptly.
- Monitor security bulletins for updates and advisories.
Long-Term Security Practices
- Implement secure coding practices to prevent input validation vulnerabilities.
- Conduct regular security assessments and audits to identify and mitigate similar issues.
Patching and Updates
Regularly check for security updates and patches from Qualcomm, Android, and other relevant vendors to address the vulnerability effectively.