CVE-2019-10220 : What You Need to Know
Learn about CVE-2019-10220, a high-severity vulnerability in the Linux kernel's CIFS implementation (version 4.9.0) allowing for relative paths injection. Find mitigation steps and impact details here.
A vulnerability in the Linux kernel's CIFS implementation, specifically affecting kernel version 4.9.0, allows for relative paths injection within directory entry lists.
Understanding CVE-2019-10220
This CVE involves a high-severity vulnerability in the Linux kernel's CIFS implementation, impacting systems using kernel version 4.9.0.
What is CVE-2019-10220?
The vulnerability in the Linux kernel's CIFS implementation, version 4.9.0, enables attackers to inject relative paths within directory entry lists, potentially leading to unauthorized access or other malicious activities.
The Impact of CVE-2019-10220
The vulnerability has a CVSS base score of 8.0, indicating a high severity level. It poses a significant risk to confidentiality, integrity, and availability, with low privileges required for exploitation and user interaction.
Technical Details of CVE-2019-10220
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability allows for relative paths injection within directory entry lists in the Linux kernel's CIFS implementation, affecting version 4.9.0.
Affected Systems and Versions
- Product: Kernel
- Vendor: SUSE
- Affected Version: Kernel version 4.9.0
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: Required
- Scope: Unchanged
- Impact: High impact on confidentiality, integrity, and availability
Mitigation and Prevention
Protecting systems from CVE-2019-10220 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor advisories and security mailing lists for updates.
- Implement network segmentation to limit exposure.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Conduct security assessments and penetration testing.
- Educate users on safe computing practices and security awareness.
Patching and Updates
- Refer to vendor-specific security advisories for patching instructions.
- Stay informed about security updates and apply them as soon as they are available.