CVE-2018-10927 : Vulnerability Insights and Analysis
Learn about CVE-2018-10927, a vulnerability in the glusterfs server that allows attackers to compromise system security and cause denial of service attacks. Find mitigation steps and patching instructions here.
A vulnerability was discovered in the glusterfs server that could be exploited by an authenticated attacker to compromise system security and cause a denial of service attack.
Understanding CVE-2018-10927
This CVE involves a vulnerability in the glusterfs server related to the RPC request using gfs3_lookup_req.
What is CVE-2018-10927?
CVE-2018-10927 is a flaw in the glusterfs server that allows an authenticated attacker to extract sensitive information and conduct a remote denial of service attack by crashing the gluster brick process.
The Impact of CVE-2018-10927
- CVSS Base Score: 7.1 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: High
- Privileges Required: Low
- Scope: Unchanged
- User Interaction: None
Technical Details of CVE-2018-10927
This section provides more in-depth technical details about the vulnerability.
Vulnerability Description
The vulnerability in the glusterfs server involves the RPC request using gfs3_lookup_req, which can be exploited by an authenticated attacker to compromise system security and cause a denial of service attack.
Affected Systems and Versions
- Affected Product: glusterfs
- Vendor: Red Hat
- Affected Version: n/a
Exploitation Mechanism
The flaw can be exploited by an authenticated attacker to leak information and execute a remote denial of service attack by crashing the gluster brick process.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Apply security updates provided by Red Hat.
- Monitor for any unusual activities on the glusterfs server.
- Restrict network access to the server to authorized users only.
Long-Term Security Practices
- Regularly update and patch the glusterfs server to address security vulnerabilities.
- Conduct security audits and assessments to identify and mitigate potential risks.
Patching and Updates
- Refer to Red Hat Security Advisories RHSA-2018:2607, RHSA-2018:2608, and RHSA-2018:3470 for patching instructions and updates.