TIBCO Security Advisory: October 13, 2021 - TIBCO EBX -2021-35498

TIBCO EBX Insecure Login Mechanism

Original release date: October 13, 2021
Last revised:
CVE-2021-35498
Source: TIBCO SoftwareInc.

Products Affected

TIBCO EBX versions 5.8.123 and below

TIBCO EBX versions 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.9.7, 5.9.8, 5.9.9, 5.9.10,
5.9.11, 5.9.12, 5.9.13, and 5.9.14

TIBCO EBX versions 6.0.0 and 6.0.1

TIBCO Product and Service Catalog powered by TIBCO EBX version 1.0.0

The following component is affected:

• TIBCO EBX Web Server

Description

The component listed above contains a vulnerability that under certain
specific conditions allows an attacker to enter a password other than the
legitimate password and it will be accepted as valid.

Impact

In the worst case, if the targeted account is a privileged administrator,
successful exploitation of this vulnerability can result in an attacker
gaining full administrative access to the affected system.

CVSS v3 Base Score: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Solution

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

TIBCO EBX versions 5.8.123 and below update to version 5.8.124 or later

TIBCO EBX versions 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.9.7, 5.9.8, 5.9.9, 5.9.10,
5.9.11, 5.9.12, 5.9.13, and 5.9.14 update to version 5.9.15 or later

TIBCO EBX versions 6.0.0 and 6.0.1 update to version 6.0.2 or later

TIBCO Product and Service Catalog powered by TIBCO EBX version 1.0.0 update
to version 1.1.0 or later

References

https://www.tibco.com/services/support/advisories
CVE-2021-35498

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