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Security Bulletin: Apache CXF vulnerability identified in IBM Tivoli Application Dependency Discovery Manager (CVE-2021-22696)

Security Bulletin


Summary

This security bulletin addresses the vulnerability in Open Source Apache CXF that affect IBM Tivoli Application Dependency Discovery Manager.

Vulnerability Details

CVEID:   CVE-2021-22696
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

Affected Product(s)Version(s)
IBM Tivoli Application Dependency Discovery Manager7.3.0.0-7.3.0.8

Remediation/Fixes

TADDM 7.3.0.5 and 7.3.0.8 : The eFix in the table below can be downloaded and applied directly.

TADDM 7.3.0.6 and 7.3.0.7 : 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. 

Fix                                                                    VRMFAPAR

How to acquire fix

efix_CXF_CVE-2021-22696_FP5180802.zip7.3.0.5 NoneDownload eFix
efix_CXF_CVE-2021-22696_FP6190313.zip7.3.0.6NoneDownload eFix
efix_CXF_CVE-2021-22696_FP7200218.zip          7.3.0.7NoneDownload eFix
efix_CXF_CVE-2021-22696_FP8201126.zip         7.3.0.8NoneDownload eFix

Note: Before TADDM 7.3.0.5, Java 7 was used and this CXF fix is applicable to Java8. Hence, no eFix can be provided for versions before 7.3.0.5

Workarounds and Mitigations

For customers on TADDM 7.3.0.3 or 7.3.0.4, recommendation is to upgrade to the latest version and then apply the efix directly.

Get Notified about Future Security Bulletins

References

Off

Change History

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.

Disclaimer

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.

Document Location

Worldwide

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Document Information

Modified date:
01 June 2021

UID

ibm16457727