CVE-2018-10904 : Exploit Details and Defense Strategies
Learn about CVE-2018-10904, a high-severity vulnerability in the glusterfs server that could allow attackers to execute unauthorized code. Find out the impacted systems, exploitation details, and mitigation steps.
A vulnerability in the glusterfs server could allow an attacker to execute unauthorized code by manipulating extended attributes.
Understanding CVE-2018-10904
This CVE involves a flaw in the glusterfs server that could be exploited by attackers to execute unauthorized code.
What is CVE-2018-10904?
The vulnerability in the glusterfs server arises from inadequate sanitization of file paths in the "trusted.io-stats-dump" extended attribute, potentially enabling attackers to create files and execute unauthorized code.
The Impact of CVE-2018-10904
The vulnerability has a CVSS base score of 8.8 (High severity) with significant impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2018-10904
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in the glusterfs server allows attackers with appropriate access to modify extended attributes of files on a gluster volume to create files and execute unauthorized code.
Affected Systems and Versions
- Product: glusterfs
- Vendor: Red Hat
- Affected Version: n/a
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Confidentiality, Integrity, and Availability Impact: High
Mitigation and Prevention
Protecting systems from CVE-2018-10904 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Red Hat promptly.
- Restrict access to critical systems and files.
- Monitor and audit extended attribute modifications.
Long-Term Security Practices
- Regularly update and patch software to address vulnerabilities.
- Implement least privilege access controls.
- Conduct security training for personnel to recognize and respond to potential threats.
Patching and Updates
Ensure that all systems running glusterfs are updated with the latest security patches to mitigate the risk of exploitation.