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Security Bulletin: IBM InfoSphere Information Server is affected by a vulnerability in Apache httpclient

Security Bulletin


Summary

A vulnerability in Apache httpclient used by IBM InfoSphere Information Server was addressed.

Vulnerability Details

CVEID:   CVE-2020-13956
DESCRIPTION:   Apache HttpClient could allow a remote attacker to bypass security restrictions, caused by the improper handling of malformed authority component in request URIs. By passing request URIs to the library as java.net.URI object, an attacker could exploit this vulnerability to pick the wrong target host for request execution.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189572 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
InfoSphere Information Server 11.7
InfoSphere Information Server 11.5

Remediation/Fixes

Product VRMF APAR Remediation/First Fix
InfoSphere Information Server, Information Server on Cloud 11.7 JR62184
 		 --Apply InfoSphere Information Server version 11.7.1.0
--Apply InfoSphere Information Server version 11.7.1.0 Fix Pack 1
--Apply InfoSphere Information Server 11.7.1.1 Service Pack 1
--Download and install the latest version of ISALite
--Apply Data Quality Exception console security patch

For Red Hat 8 installations, contact IBM Customer support.
InfoSphere Information Server, Information Server on Cloud 11.5 JR62184
 		 --Upgrade to a release where the issue is addressed
 

Contact Technical Support:

In the United States and Canada dial 1-800-IBM-SERV
View the support contacts for other countries outside of the United States.
Electronically open a Service Request with Information Server Technical Support.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

01 Apr 2021: Initial Publication
26 Apr 2021: Updated version of ISALite is available; fix needed for Data Quality Exception console
04 May 2021: Corrected product name in Remediation/Fixes table
21 Jun 2021: Published fix for Data Quality Exception console

*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.

Document Location

Worldwide

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Document Information

Modified date:
21 June 2021

Initial Publish date:
01 April 2021

UID

ibm16437587

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