Security Bulletin: A security vulnerability in OpenSSL affects IBM Rational ClearQuest (CVE-2019-1559)

Security Bulletin

Summary

An OpenSSL vulnerability was disclosed on February 26, 2019 by the OpenSSL Project. OpenSSL is used by IBM Rational ClearQuest. IBM Rational ClearQuest has addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2019-1559
Description: OpenSSL could allow a remote attacker to obtain sensitive information, caused by the failure to immediately close the TCP connection after the hosts encounter a zero-length record with valid padding. An attacker could exploit this vulnerability using a 0-byte record padding-oracle attack to decrypt traffic.
CVSS Base Score: 5.8
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/157514 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

Rational ClearQuest version 8 and 9 in the following components:

ClearQuest hooks and cqperl/ratlperl scripts that use SSL.
ClearQuest SSL database connections.

Version	Status
9.0.1 through 9.0.1.6	Affected
9.0 through 9.0.0.6	Affected
8.0.1 through 8.0.1.20	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 1.0.2r .

Affected Versions	Applying the fix
9.0.1 through 9.0.1.6 9.0 through 9.0.0.6	Install Rational ClearQuest Fix Pack 7 (9.0.1.7) for 9.0.1
8.0.1 through 8.0.1.20 8.0 through 8.0.0.21	Install Rational ClearQuest Fix Pack 21 (8.0.1.21) for 8.0.1

For 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 (publicly disclosed vulnerability)
OpenSSL Project vulnerability website

Change History

20 June 2019: 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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Tips

Security Bulletin: A security vulnerability in OpenSSL affects IBM Rational ClearQuest (CVE-2019-1559)