Security Bulletin: Vulnerabilities in OpenSSL affect IBM Rational ClearQuest (CVE-2015-1788, CVE-2015-1789, CVE-2015-1791)

Summary

OpenSSL vulnerabilities were disclosed on June 11, 2015 by the OpenSSL Project. OpenSSL is used by IBM Rational ClearQuest . IBM Rational ClearQuest has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2015-1788 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error when processing an ECParameters structure over a specially crafted binary polynomial field. A remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103778 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVEID: CVE-2015-1789 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read in X509_cmp_time. An attacker could exploit this vulnerability using a specially crafted certificate or CRL to trigger a segmentation fault.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103779 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVEID: CVE-2015-1791 DESCRIPTION: A double-free memory error in OpenSSL in the ssl3_get_new_session_ticket() function has an unknown impact. By returning a specially crafted NewSessionTicket message, an attacker could cause the client to reuse a previous ticket resulting in a race condition.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103609 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Affected Products and Versions

IBM Rational ClearQuest versions:

Version

|

Status

—|—

8.0.1 through 8.0.1.8

|

Affected

8.0 through 8.0.0.15

|

Affected

7.1.0.x, 7.1.1.x (all versions)
7.1.2 through 7.1.2.18

|

Affected

Not all deployments of Rational ClearQuest use OpenSSL in a way that is affected by these vulnerabilities.

You are vulnerable if your use of Rational ClearQuest includes any of these configurations:

1. You use SSL connections in perl scripts run by ratlperl or cqperl, or by ClearQuest hooks. In this situation, you should review all the fixes provided by the OpenSSL project to see which ones apply to your use of OpenSSL. See the references link below.
2. You integrate with ClearCase.

Remediation/Fixes

The solution is to update to the latest fix pack. The fix pack includes OpenSSL 1.0.1p.

Affected Versions

|

** Applying the fix**

—|—

8.0.1 through 8.0.1.8

| Install Rational ClearQuest Fix Pack 9 (8.0.1.9) for 8.0.1

8.0 through 8.0.0.14

| Install Rational ClearQuest Fix Pack 16 (8.0.0.16) for 8.0

7.1.2 through 7.1.2.17

| Customers on extended support contracts should install Rational ClearQuest Fix Pack 19 (7.1.2.19) for 7.1.2

7.1.1.x (all fix packs)
7.1.0.x (all fix packs)

| Customers on extended support contracts should contact Rational Customer Support

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

Workarounds and Mitigations

None