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Security Bulletin: Denial of service vulnerability in WebSphere Application Server Liberty (CVE-2019-12402)

Security Bulletin


Summary

There is a denial of service vulnerability in WebSphere Application Server Liberty. This vulnerability has been addressed.

Vulnerability Details

CVEID: CVE-2019-12402
DESCRIPTION: Apache Commons Compress is vulnerable to a denial of service, caused by an error in the internal file name encoding algorithm. By persuading a victim to open specially crafted ZIP archive containing malicious input, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/165956 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Affected Products and Versions

These vulnerabilities affect the following versions and releases of IBM WebSphere Application Server:

  • Liberty

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical.

For WebSphere Application Server Liberty using collectiveMember-1.0 or collectiveController-1.0 feature:

· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH17088
--OR--
· Apply Fix Pack 19.0.0.9 or later.

Get Notified about Future Security Bulletins

References

Off

Change History

29 October 2019:original document published
20 November 2019: added interim fix

*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:
20 November 2019

UID

ibm11074156