TIBCO Security Advisory: March 23, 2021 - TIBCO Rendezvous - 2021-28817

TIBCO Rendezvous Windows Platform Installation vulnerability

Original release date: March 23, 2021
Last revised:
CVE-2021-28817
Source: TIBCO Software Inc.

Products Affected

  • TIBCO Rendezvous versions 8.5.1 and below
  • TIBCO Rendezvous Developer Edition versions 8.5.1 and below

The following component is affected:

  • Windows Installation

Description

The component listed above contains a vulnerability that theoretically allows a low privileged attacker with local access on some versions of the Windows operating system to insert malicious software. The affected component can be abused to execute the malicious software inserted by the attacker with the elevated privileges of the component. This vulnerability results from a lack of access restrictions on certain files and/or folders in the installation.

Impact

The impact of this vulnerability includes the possibility of an attacker gaining full access to the Windows operating system at the privilege level of the affected component.

  CVSS v3 Base Score: 8.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)

Solution

TIBCO has released updated versions of the affected systems which address this issue:

  • TIBCO Rendezvous versions 8.5.1 and below update to version 8.5.2 or higher
  • TIBCO Rendezvous Developer Edition versions 8.5.1 and below update to version 8.5.2 or higher

Acknowledgments

TIBCO would like to extend its appreciation to Will Dormann of CERT/CC for discovery of this vulnerability.

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