CVE-2020-7013 : Security Advisory and Response

Kibana versions before 6.8.9 and 7.7.0 have a prototype pollution flaw in TSVB, allowing an authenticated attacker to execute arbitrary code.

Understanding CVE-2020-7013

Kibana is affected by a code injection vulnerability that could lead to arbitrary code execution.

What is CVE-2020-7013?

CVE-2020-7013 is a security vulnerability in Kibana versions before 6.8.9 and 7.7.0 that enables an attacker to execute code with the permissions of the Kibana process on the host system.

The Impact of CVE-2020-7013

The vulnerability allows an authenticated attacker to insert data that triggers the execution of arbitrary code, potentially leading to a compromise of the host system.

Technical Details of CVE-2020-7013

Kibana's vulnerability is categorized under CWE-94, involving improper control of code generation.

Vulnerability Description

The flaw in TSVB allows attackers to manipulate data, leading to the execution of unauthorized code within Kibana.

Affected Systems and Versions

Product: Kibana
Vendor: Elastic
Versions Affected: Before 6.8.9 and 7.7.0

Exploitation Mechanism

An authenticated attacker with TSVB visualization creation privileges can exploit the vulnerability by inserting malicious data.

Mitigation and Prevention

It is crucial to take immediate steps to secure systems and prevent exploitation.

Immediate Steps to Take

Upgrade Kibana to version 6.8.9 or 7.7.0 to mitigate the vulnerability.
Monitor for any unauthorized access or suspicious activities.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Implement least privilege access controls to limit potential attack surfaces.

Patching and Updates

Apply security patches and updates provided by Elastic to address the vulnerability in Kibana.