Security Bulletin: Vulnerability in OpenSSL affects Informix Dynamic Server and CSDK (CVE-2015-1788)

Summary

An OpenSSL denial of service vulnerability disclosed by the OpenSSL Project affects GSKit. Informix Dynamic Server uses GSKit and addressed the applicable CVE.

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)

Affected Products and Versions

Informix Dynamic Server (IDS) 11.50, 11.70, and 12.10.xC1-xC5 and and Client Software Development Kit (CSDK) 3.50, 3.70, and 4.10 xC1-xC5.

Remediation/Fixes

Upgrade to IDS version 12.10.xC6, otherwise replace GSKit as per chart below.

GSKit 8.0.50.52 is available as a separate package for 11.70 and 12.10, and for CSDK versions 3.70 and 4.10 products. For Informix Dynamic Server 11.50 and CSDK 3.50, GSKit version 7.0.5.6 is available for download.

Informix Dynamic Server

12.10.xC1_ through_ _ 12.10.xC5_

-------------------------

_11.70 __ (all versions)_

|

Install GSKit ** 8.0.50.52**

| Linux(32)Linux(64)
Linux(pSeries32)Linux(pSeriesLE64)
Linux (zSeries32)Linux(zSeries64)
Linux(ARM32)****Linux(ARM64)

Windows(32)****Windows(64)

AIX (pSeries32)****AIX (pSeries64)

Solaris (Intel32)Solaris (Intel64)
Solaris (SPARC32)****** Solaris (SPARC64)**

HP-UX(IA-32)****** HP-UX(IA-64)**

MacOSX(64)

_11.50 _(all versions)

|

Install GSKit_ 7.0.5.6_

| Linux(32)Linux (64)
Linux (zSeries32)Linux (zSeries64)
Linux(IA-64)Linux (pSeries64)

Windows(32)Windows (64)

AIX (pSeries32)AIX (pSeries64) ** **
Solaris (Intel32)Solaris (Intel-64)
Solaris (SPARC32)****Solaris (SPARC64)

HP-UX (RISC32)HP-UX (RISC64)
HP-UX (IA-32)HP-UX (IA-64)

4.10.xC1_ through_ 4.10.xFC5

-------------------------

3.70 (all versions)

|

Install GSKit_ 8.0.50.52_

| Linux(32)Linux(64)
Linux(pSeries32)Linux(pSeriesLE64)
Linux (zSeries32)Linux(zSeries64)
Linux(ARM32)****Linux(ARM64)

Windows(32)****Windows(64)

AIX (pSeries32)****AIX (pSeries64)

Solaris (Intel32)Solaris (Intel64)
Solaris (SPARC32)****** Solaris (SPARC64)**

HP-UX(IA-32)****** HP-UX(IA-64)**

MacOSX(64)

3.50 (all versions)

|

Install GSKit_ _****7.0.5.6

| Linux(32)Linux (64)
Linux(zSeries32)Linux (zSeries64)
Linux(IA-64)Linux (pSeries64)

Windows(32)Windows (64)

AIX (pSeries32)AIX (pSeries64) ** **
Solaris (Intel32)Solaris (Intel-64)
Solaris (SPARC32)****Solaris (SPARC64)

HP-UX (RISC32)HP-UX (RISC64)
HP-UX (IA-32)HP-UX (IA-64)

IBM recommends upgrading to a fixed, supported version/ release/ platform of CSDK which includes GSKit 8.0.50.52 or GSKit 7.0.5.6.
*Informix Dynamic Server (IDS 12.10.xC6) is available through Passport Advantage online, or your Partnerworld Provider.

Workarounds and Mitigations

None.