Rewterz Threat Advisory – Multiple Apache Zeppelin Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-27578 

Apache Zeppelin is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the markdown interpreter. A remote attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2020-13929 

Apache Zeppelin could allow a remote attacker to bypass security restrictions, caused by a notebook permissions bypass flaw. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass authentication mechanism to act as another user.

CVE-2019-10095 

Apache Zeppelin could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by a bash command injection flaw. By sending a specially-crafted input to the Spark interpreter settings, an attacker could exploit this vulnerability to execute arbitrary commands on the system.

Impact

• Cross-Site Scripting
• Security Bypass
• Unauthorized Access
• Credential Theft

Affected Vendors

Apache

Affected Products

• Apache Zeppelin 0.8.2
• Apache Zeppelin 0.9.0

Remediation

Upgrade to the latest version of Apache Zeppelin, available from the Apache Web site.