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Security Bulletin: IBM Streams is affected by a XMLsoft Libxml2 vulnerability

Security Bulletin


Summary

The libxml2 library, used by IBM Streams, is potentially vulnerable to a memory corruption error. IBM Streams has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-4658
DESCRIPTION: The libxml2 library, as used in multiple products, could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error. An attacker could exploit this vulnerability using a specially crafted XML document to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/117175 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

The following versions may be impacted:

  • IBM Streams Version 4.2.1.1 and earlier
  • IBM InfoSphere Streams Version 4.1.1.4 and earlier
  • IBM InfoSphere Streams Version 4.0.1.4 and earlier
  • IBM InfoSphere Streams Version 3.2.1.6 and earlier
  • IBM InfoSphere Streams Version 3.1.0.8 and earlier
  • IBM InfoSphere Streams Version 3.0.0.6 and earlier

Remediation/Fixes

NOTE: Fix Packs are available on IBM Fix Central.

To remediate/fix this issue, follow the instructions below:

  • Version 4.2.x: Apply 4.2.1 Fix Pack 2 (4.2.1.2) or higher.
  • Version 4.1.x: Apply 4.1.1 Fix Pack 5 (4.1.1.5) or higher.
  • Version 4.0.x: Apply 4.0.1 Fix Pack 5 (4.0.1.5) or higher.
  • Versions 3.2.x, 3.1.x, and 3.0.x: For versions earlier than 4.x.x, IBM recommends upgrading to a fixed, supported version/release/platform of the product. Customers who cannot upgrade and need to secure their installation should open a PMR with IBM Technical Support and request assistance securing their InfoSphere Streams system against the vulnerabilities identified in this Security Bulletin.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

4 August 2017: Original version published.
26 September 2017: Updated with links to fixes.
2 October 2017: Updated with links to fixes.

*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:
16 June 2018

UID

swg22006826

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