SB2020072815 - Multiple vulnerabilities in Kibana

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2020-7016)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Timelion. A remote attacker can trick a victim to visit a specially crafted URL and perform a denial of service (DoS) attack.

2) Stored cross-site scripting (CVE-ID: CVE-2020-7017)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in region map visualizations. A remote authenticated attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786
• https://www.elastic.co/community/security/