IBM Support

Security Bulletin: Vulnerability in IBM Rational ClearCase with SSL/TLS communications (CVE-2015-5039)

Created by John T Kohl on
Published URL:
https://www.ibm.com/support/pages/node/541651
541651

Security Bulletin


Summary

IBM Rational ClearCase is vulnerable to attacks on its SSL/TLS communications due to improper validation of server certificates.

Vulnerability Details

CVEID: CVE-2015-5039
DESCRIPTION: IBM Rational ClearCase Remote Client and change management integrations could allow a remote attacker to view and modify network traffic to the CCRC WAN server or change management server, due to improper hostname validation of the server SSL certificate. An attacker could exploit this vulnerability to impersonate the server or the user.
CVSS Base Score: 4.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106715 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Rational ClearCase 7.1.x (all versions), 8.0 through 8.0.0.17, and 8.0.1 through 8.0.1.10.

Rational ClearCase 9.0 and later are not affected.

The affected components are the following, when configured to use SSL/TLS (HTTPS) connections to a server:

  • ClearCase Remote Client (CTE, rcleartool, CMAPI)
  • Change Management Integrations (CMI) to ClearQuest, Rational Team Concert, or Jira
  • UCM/CQ OSLC-based integration (CALAMARI)
  • Base CC/CQ Integration V2 (Perl trigger based)

Remediation/Fixes

Install a fix pack containing fixes:

Affected version
Fixes
8.0.1 through 8.0.1.10
Install Rational ClearCase Fix Pack 11 (8.0.1.11) for 8.0.1
8.0 through 8.0.0.18
Install Rational ClearCase Fix Pack 18 (8.0.0.18) for 8.0
7.1.x
Customers on extended support contracts for 7.1.x should contact Customer Support.
For 7.0.x and 7.1.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

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

* 27 May 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.

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Document Information

Modified date:
10 July 2018

UID

swg21976566

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