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Security Bulletin: Weaker than expected security in WebSphere Application Server shipped with Jazz for Service Management (CVE-2018-1719)

Created by Nakkala Kumar on
Published URL:
https://www.ibm.com/support/pages/node/741895
741895

Security Bulletin


Summary

There is a potential for weaker than expected security in WebSphere Application Server which could result in TLS downgrade under certain conditions. This only applies if FIPS is enabled and the keystores/truststores are configured by the JVM property com.ibm.ssl.protocol.

Vulnerability Details

CVEID: CVE-2018-1719
DESCRIPTION: IBM WebSphere Application Server could provide weaker than expected security under certain conditions. This could result in a downgrade of TLS protocol. A remote attacker could exploit this vulnerability to perform man-in-the-middle attacks.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147292 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Jazz for Service Management version 1.1.0 - 1.1.3

Remediation/Fixes

Principal Product and Version(s)

Affected Supporting Product and Version Affected Supporting Product Security Bulletin
Jazz for Service Management version 1.1.0 - 1.1.3 Websphere Application Server Full Profile 8.5.5

Security Bulletin: Weaker than expected security in WebSphere Application Server (CVE-2018-1719)

Workarounds and Mitigations

Please refer to WAS iFix

Get Notified about Future Security Bulletins

References

Off

Change History

23-November-2018: Original version published

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
23 November 2018

UID

ibm10741895