CVE-2017-8448 : Security Advisory and Response
Learn about CVE-2017-8448, an improper access control vulnerability in Elastic X-Pack Alerting versions 5.0.0 to 5.6.0. Find out the impact, affected systems, and mitigation steps.
A vulnerability in the authorization system of Elastic X-Pack Alerting versions 5.0.0 to 5.6.0 allowed users with specific roles to gain elevated privileges.
Understanding CVE-2017-8448
This CVE involves an improper access control issue in Elastic X-Pack Alerting versions 5.0.0 to 5.6.0.
What is CVE-2017-8448?
A flaw in the authorization system of X-Pack Alerting versions 5.0.0 to 5.6.0 enabled users assigned to certain roles to create a watch that granted them increased privileges.
The Impact of CVE-2017-8448
The vulnerability could lead to unauthorized users gaining elevated privileges within the system.
Technical Details of CVE-2017-8448
This section provides more technical insights into the CVE.
Vulnerability Description
An error in the permission model of X-Pack Alerting 5.0.0 to 5.6.0 allowed users with specific roles to create watches that resulted in elevated privileges.
Affected Systems and Versions
- Product: Elastic X-Pack Alerting
- Vendor: Elastic
- Versions Affected: 5.0.0 to 5.6.0
Exploitation Mechanism
The vulnerability could be exploited by users assigned to predetermined roles to create watches that granted them increased privileges.
Mitigation and Prevention
Protecting systems from CVE-2017-8448 is crucial for maintaining security.
Immediate Steps to Take
- Update X-Pack Alerting to a patched version.
- Review and adjust user roles and permissions.
Long-Term Security Practices
- Regularly review and update access control policies.
- Conduct security training for users to understand proper access control.
Patching and Updates
- Apply security patches provided by Elastic for X-Pack Alerting.