This security bulletin addresses the vulnerability in Open Source Apache CXF that affect IBM Tivoli Application Dependency Discovery Manager.
DESCRIPTION: Apache CXF is vulnerable to a denial of service, caused by improper validation of request_uri parameter by the OAuth 2 authorization service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition on the authorization server.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199335 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
|IBM Tivoli Application Dependency Discovery Manager||126.96.36.199-188.8.131.52|
TADDM 184.108.40.206 and 220.127.116.11 : The eFix in the table below can be downloaded and applied directly.
TADDM 18.104.22.168 and 22.214.171.124 : If there are existing eFixes on these versions (ls -lrt etc/efix*), please contact IBM support and open a case for a custom version of the eFixes. Include the current eFix level (ls -lrt etc.efix*), TADDM version and a link to this bulletin. The eFix in the table below is created to be installed on the respective FixPacks only if there are no previously applied eFixes.
How to acquire fix
Note: Before TADDM 126.96.36.199, Java 7 was used and this CXF fix is applicable to Java8. Hence, no eFix can be provided for versions before 188.8.131.52
Workarounds and Mitigations
For customers on TADDM 184.108.40.206 or 220.127.116.11, recommendation is to upgrade to the latest version and then apply the efix directly.
Get Notified about Future Security Bulletins
04 May 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
01 June 2021