TIBCO Security Advisory: September 27, 2023 - TIBCO Nimbus -CVE-2023-26218

TIBCO Nimbus Reflected Cross-site Scripting (XSS) vulnerabilities

Original releasedate: September 27, 2023
Last revised: November 20, 2023
CVE-2023-26218
Source: TIBCO Software Inc.

Products Affected

TIBCO Nimbus versions 10.6.0 and below

The following component is affected:

• Web Client

Description

The component listed above contains easily exploitable Reflected Cross Site
Scripting (XSS) vulnerabilities that allow a low privileged attacker to social
engineer a legitimate user with network access to execute scripts targeting
the affected system or the victim’s local system. A successful attack using
this vulnerability requires human interaction from a person other than the
attacker.

Impact

In the worst case, if the victim is a privileged administrator, successful
execution of these vulnerabilities can result in an attacker gaining full
administrative access to the affected system.

CVSS v3.1 Base Score: 8.0 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)

Solution

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

TIBCO Nimbus versions 10.6.0 and below: update to version 10.6.1 or later

Acknowledgments

TIBCO would like to extend its appreciation to Pedro Miguel Ferreira of
Devoteam Cyber Trust for discovery of this vulnerability.

References

https://www.tibco.com/services/support/advisories
CVE-2023-26218

The information on this page is being provided to you on an “AS IS” and “AS-AVAILABLE” basis. The issues described on this page mayor may not impact your system(s). TIBCO makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, INCLUDING, BUTNOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT TIBCO SHALL IN NO EVENT BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. The information on this page is being provided to you under the terms of yourlicense and/or services agreement with TIBCO, and may be used only for the purposes contemplated by the agreement. If you do not have such an agreement with TIBCO, this information is provided under the TIBCO.com Terms ofUse, and may be used only for the purposes contemplated by such Terms ofUse.

• Report Advisory