CVE-2017-18058 : Security Advisory and Response
Learn about CVE-2017-18058, a vulnerability in Android for MSM, Firefox OS for MSM, and QRD Android systems due to improper input validation, potentially leading to out-of-bounds memory read. Find mitigation steps and prevention measures here.
Android for MSM, Firefox OS for MSM, and QRD Android systems using the Linux kernel are vulnerable due to improper input validation, potentially leading to out-of-bounds memory read.
Understanding CVE-2017-18058
This CVE involves a vulnerability in the validation of input for a variable in the Linux kernel, affecting various software systems.
What is CVE-2017-18058?
The vulnerability stems from improper validation of the wow_buf_pkt_len variable in the wma_wow_wakeup_host_event() function, which is obtained from firmware.
The Impact of CVE-2017-18058
If exploited, this vulnerability could result in an out-of-bounds memory read, potentially leading to unauthorized access or denial of service.
Technical Details of CVE-2017-18058
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The issue lies in the improper validation of the wow_buf_pkt_len variable in the wma_wow_wakeup_host_event() function.
Affected Systems and Versions
- Android for MSM
- Firefox OS for MSM
- QRD Android
Exploitation Mechanism
The vulnerability arises from the incorrect validation of input for the wow_buf_pkt_len variable, which, if not properly validated, could lead to an out-of-bounds memory read.
Mitigation and Prevention
Protecting systems from CVE-2017-18058 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the software vendors promptly.
- Monitor vendor communications for updates and security advisories.
- Implement network controls to limit exposure to potential attacks.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate users and IT staff on security best practices to prevent exploitation.
Patching and Updates
- Stay informed about security bulletins and patches released by the software vendors.
- Apply updates as soon as they are available to mitigate the risk of exploitation.