CVE-2017-12155 : What You Need to Know
Learn about CVE-2017-12155, a critical vulnerability in openstack-tripleo-heat-templates allowing unauthorized access to Ceph cluster pools for OpenStack. Find mitigation steps here.
A vulnerability was discovered in the openstack-tripleo-heat-templates package, allowing unauthorized access to Ceph cluster pools for OpenStack.
Understanding CVE-2017-12155
This CVE involves a permission assignment flaw in the openstack-tripleo-heat-templates package, potentially leading to unauthorized data manipulation within OpenStack.
What is CVE-2017-12155?
The vulnerability in openstack-tripleo-heat-templates allows the creation of a keyring file that is accessible to anyone, enabling potential data manipulation or viewing in Ceph cluster pools for OpenStack.
The Impact of CVE-2017-12155
Exploitation of this vulnerability could result in unauthorized access or modification of data within OpenStack Block Storage volumes, posing a significant security risk.
Technical Details of CVE-2017-12155
This section provides detailed technical information about the vulnerability.
Vulnerability Description
A resource-permission flaw in openstack-tripleo-heat-templates allows the creation of a world-readable keyring file, potentially enabling unauthorized data access or modification in Ceph cluster pools for OpenStack.
Affected Systems and Versions
- Product: openstack-tripleo-heat-templates
- Vendor: OpenStack
- Versions: Newton, Ocata, Pike, and possibly older
Exploitation Mechanism
- A malicious actor gains access to the keyring file
- Manipulates or views data in Ceph cluster pools for OpenStack
- Impersonates the OpenStack service, leading to unauthorized data modification or access
Mitigation and Prevention
Protect your systems from CVE-2017-12155 with the following steps:
Immediate Steps to Take
- Apply patches provided by the vendor
- Restrict access to sensitive files and directories
- Monitor and audit access to key system resources
Long-Term Security Practices
- Regularly update and patch software components
- Implement the principle of least privilege for file permissions
- Conduct security training and awareness programs for personnel
Patching and Updates
- Stay informed about security advisories from the vendor
- Apply security patches promptly to address known vulnerabilities