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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.

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

OpenSSL Project vulnerability website

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

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

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:
15 November 2018

UID

ibm10730193

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