SB2021032314 - Multiple vulnerabilities in TIBCO Rendezvous

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Incorrect default permissions (CVE-ID: CVE-2021-28817)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.

2) Unquoted Search Path or Element (CVE-ID: CVE-2021-28818)

The vulnerability allows a local user to escalate privileges on the system.

the vulnerability exists due to the application is searching for run-time artifacts outside of the installation hierarchy. A local user can place a specially crafted file on the system and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-rendezvous-2021-28817
• https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-rendezvous-2021-28818