CVE-2019-19337 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-19337, a flaw in Red Hat Ceph Storage version 3 allowing remote denial of service attacks. Learn about mitigation steps and prevention measures.
A vulnerability has been discovered in the 3rd version of Red Hat Ceph Storage, affecting the Ceph RADOS Gateway daemon's handling of S3 requests, leading to a remote denial of service attack.
Understanding CVE-2019-19337
This CVE identifies a flaw in Red Hat Ceph Storage version 3 that can be exploited by authenticated attackers to trigger a denial of service through manipulated HTTP headers.
What is CVE-2019-19337?
The vulnerability in Red Hat Ceph Storage version 3 allows authenticated attackers to exploit the Ceph RADOS Gateway daemon's S3 request handling, causing a remote denial of service by sending a specially crafted HTTP Content-Length header.
The Impact of CVE-2019-19337
The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 6.5. The availability impact is HIGH, while confidentiality and integrity impacts are rated as NONE.
Technical Details of CVE-2019-19337
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in Red Hat Ceph Storage version 3 lies in the Ceph RADOS Gateway daemon's handling of S3 requests, allowing attackers to exploit it for a remote denial of service attack.
Affected Systems and Versions
- Product: Ceph Storage
- Vendor: Red Hat
- Affected Version: version 3 (upstream versions of Ceph are not affected)
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specifically manipulated HTTP Content-Length header to the Ceph RADOS Gateway server.
Mitigation and Prevention
To address CVE-2019-19337, follow these mitigation strategies:
Immediate Steps to Take
- Apply the necessary patches provided by Red Hat promptly.
- Monitor network traffic for any suspicious activity targeting the Ceph RADOS Gateway daemon.
Long-Term Security Practices
- Regularly update and patch all software components to prevent known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure that you regularly update and patch Red Hat Ceph Storage to mitigate the risk of exploitation.