CVE-2020-13379 : Exploit Details and Defense Strategies
Learn about CVE-2020-13379 affecting Grafana versions 3.0.1 through 7.0.1. Unauthenticated users can exploit SSRF to send HTTP requests to any URL, potentially leading to information disclosure and denial of service attacks.
Grafana versions 3.0.1 through 7.0.1 are affected by an SSRF Incorrect Access Control vulnerability that allows unauthenticated users to send HTTP requests to any URL through Grafana, potentially leading to information disclosure and denial of service attacks.
Understanding CVE-2020-13379
This CVE pertains to a security vulnerability in Grafana versions 3.0.1 through 7.0.1 that enables unauthorized users to manipulate Grafana to send HTTP requests to any URL.
What is CVE-2020-13379?
The vulnerability in Grafana allows unauthenticated users to exploit the SSRF Incorrect Access Control issue, enabling them to make Grafana send HTTP requests to any URL and retrieve the results, potentially exposing network information and facilitating denial of service attacks.
The Impact of CVE-2020-13379
The vulnerability in Grafana versions 3.0.1 through 7.0.1 can result in unauthorized access to network details and the potential for denial of service attacks by sending invalid URL objects.
Technical Details of CVE-2020-13379
Grafana's SSRF Incorrect Access Control vulnerability has the following technical implications:
Vulnerability Description
The avatar feature in Grafana versions 3.0.1 through 7.0.1 allows unauthenticated users to exploit SSRF to send HTTP requests to any URL.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: 3.0.1 through 7.0.1
Exploitation Mechanism
- Unauthenticated users can manipulate Grafana to send HTTP requests to any URL.
- Attackers can gain network information and potentially launch denial of service attacks.
Mitigation and Prevention
To address CVE-2020-13379, consider the following steps:
Immediate Steps to Take
- Upgrade Grafana to a non-vulnerable version.
- Implement network controls to restrict unauthorized access.
Long-Term Security Practices
- Regularly update Grafana and other software to patch known vulnerabilities.
- Conduct security assessments to identify and mitigate SSRF vulnerabilities.
Patching and Updates
- Apply security updates provided by Grafana to address the SSRF Incorrect Access Control issue.