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Security Bulletin: A security vulnerability in OpenSSL affects IBM Rational ClearQuest (CVE-2018-0732)

Security Bulletin


Summary

OpenSSL vulnerabilities were disclosed on June 12 2018 by the OpenSSL Project. OpenSSL is used by IBM Rational ClearQuest. IBM Rational ClearQuest has addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2018-0732
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by the sending of a very large prime value to the client by a malicious server during key agreement in a TLS handshake. By spending an unreasonably long period of time generating a key for this prime, a remote attacker could exploit this vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/144658 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Rational ClearQuest version 8 and 9  in the following components:

  • ClearQuest hooks and cqperl/ratlperl scripts that use SSL.
  • Database drivers configured to use SSL connections to the database.
Version
Status
9.0.1 through 9.0.1.4
Affected
9.0 through 9.0.0.6
Affected
8.0.1 through 8.0.1.18
Affected
8.0 through 8.0.0.21
Affected

Remediation/Fixes

Apply a fix pack as listed in the table below. The fix pack includes OpenSSL 1.0.2p.

Affected Versions
Applying the fix
9.0.1 through 9.0.1.4
9.0 through 9.0.0.6
Install Rational ClearQuest Fix Pack 5 (9.0.1.5) for 9.0.1
8.0.1 through 8.0.1.18
8.0 through 8.0.0.21
Install Rational ClearQuest Fix Pack 19 (8.0.1.19) for 8.0.1

For 7.0.x, 7.1.x, 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None.

Get Notified about Future Security Bulletins

References

Off

Change History

15 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

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.

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Document Information

Modified date:
15 November 2018

UID

ibm10730193