Security Bulletin
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
| Product | Remediation/ First Fix | Download options, based on GSKit version and OS |
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) |
CSDK
| Product | Remediation/First Fix | Download options, based on GSKit version and OS |
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.
Get Notified about Future Security Bulletins
Important Note
IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.
References
Change History
3 December 2015 Publish Date
*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.
Was this topic helpful?
Document Information
Modified date:
03 June 2021
UID
swg21971857