CVE-2019-14897 : Vulnerability Insights and Analysis
Learn about CVE-2019-14897, a vulnerability in the Linux kernel version kernel-2.6.32 allowing denial of service and arbitrary code execution. Find mitigation steps and affected systems here.
Researchers discovered a stack-based buffer overflow in the Marvell WiFi chip driver within the Linux kernel version kernel-2.6.32, allowing attackers to cause a denial of service and potentially execute arbitrary code when a station is in IBSS mode.
Understanding CVE-2019-14897
This CVE involves a vulnerability in the Linux kernel that could lead to a system crash and unauthorized code execution.
What is CVE-2019-14897?
- A stack-based buffer overflow in the Marvell WiFi chip driver within the Linux kernel
- Allows attackers to initiate a denial of service and potentially execute arbitrary code
- Exploitable when a station is in IBSS mode, connecting with another station
The Impact of CVE-2019-14897
- CVSS Base Score: 6.6 (Medium Severity)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: Low
- Availability Impact: High
- Confidentiality Impact: Low
- Integrity Impact: Low
- User Interaction: None
- Scope: Unchanged
Technical Details of CVE-2019-14897
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- Stack-based buffer overflow in the Marvell WiFi chip driver
- Found in the Linux kernel version kernel-2.6.32
Affected Systems and Versions
- Affected Product: Kernel
- Vendor: Red Hat
- Affected Version: kernel-2.6.32
Exploitation Mechanism
- Attacker triggers the vulnerability when a station is in IBSS mode
- Allows connection with another station without an access point
Mitigation and Prevention
Protecting systems from CVE-2019-14897 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the vendor
- Monitor security advisories for updates
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Regularly update and patch systems
- Conduct security assessments and penetration testing
- Educate users on safe computing practices
Patching and Updates
- Check vendor advisories for patches and updates
- Apply security updates promptly to mitigate the risk of exploitation