PT-2021-17938 · Tibco Software+1 · Tibco Rendezvous+2

Published 2021-03-23 · Updated 2022-07-12 · CVE-2021-28817

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: TIBCO Rendezvous versions 8.5.1 and below TIBCO Rendezvous Developer Edition versions 8.5.1 and below

Description: The Windows Installation component of TIBCO Software Inc.'s TIBCO Rendezvous and TIBCO Rendezvous Developer Edition 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.

Recommendations: For TIBCO Rendezvous versions 8.5.1 and below, consider restricting access to the Windows Installation component to minimize the risk of exploitation. For TIBCO Rendezvous Developer Edition versions 8.5.1 and below, consider restricting access to the Windows Installation component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2021-28817

Affected Products

Tibco Rendezvous

Tibco Rendezvous Developer Edition

Windows

References · 4

• https://osv.dev/vulnerability/CVE-2021-28817 · Vendor Advisory
• http://tibco.com/services/support/advisories · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28817 · Security Note
• https://t.me/cibsecurity/25354 · Telegram Post