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Security Bulletin: A vulnerability in the GSKit component of IBM Rational RequisitePro (CVE-2016-0201)

Security Bulletin


Summary

A vulnerability has been addressed in the GSKit component of Rational RequisitePro.

Vulnerability Details

CVEID: CVE-2016-0201
DESCRIPTION: IBM GSKit could allow a remote attacker to obtain sensitive information, caused by a MD5 collision. An attacker could exploit this vulnerability to obtain authentication credentials.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109310 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

You are affected by this vulnerability if you authenticate to RequisiteWeb via LDAP or if you have configured IHS for SSL connections.

Version
Status
7.1.4 through 7.1.4.10
Affected
7.1.3 through 7.1.3.17
Affected

Remediation/Fixes

Remediation for Rational RequisiteWeb component is as follows:

1. Install an updated GSKit runtime provided by Rational Customer Support.

Affected version
Applying the fix
7.1.4.x
Contact Rational Customer Support to obtain the GSKit update installer.
7.1.3.x
Contact Rational Customer Support to obtain the GSKit update installer.


2. Applying the IHS fix:
  • Determine the IHS version used by your ReqWeb Server. Navigate to the IBM HTTP Server installation directory (typically C:\Program Files (x86)\IBM\HTTPServer), then execute the script: bin\versionInfo.bat. The output includes a section "IBM HTTP Server for WebSphere Application Server". Make note of the version listed in this section.
  • Review the following IHS security bulletin: Security Bulletin:Vulnerabilities in the GSKit component of IBM HTTP Server (CVE-2016-0201 and CVE-2015-7420)
  • Apply the relevant fixes to your IBM HTTP Server installation used for RequisiteWeb.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

*28 January 2016: Original copy 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.

Internal Use Only

Fix for 7.1.4.x was uploaded to fix portal at ftp://ftp.software.ibm.com/software/rational/private/RRP-2vD93H4jhCBz  
Fix for 7.1.3 is at ftp://ftp.software.ibm.com/software/rational/private/RRP-Hg51WdcNXnvp  

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Document Information

Modified date:
17 June 2018

UID

swg21975127

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