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Security Bulletin: IBM Streams may be affected by XMLsoft Libxml2 vulnerabilities

Security Bulletin


Summary

The libxml2 library, used by IBM Streams may have security vulnerabilities. IBM Streams has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2017-7376
DESCRIPTION:
libxml2 is vulnerable to a denial of service, caused by the incorrect limit used when calculating the port value in xmlParse3986Port function. An attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128276 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-7375
DESCRIPTION:
libxml2 could allow a remote attacker to obtain sensitive information, caused by missing validation for external entities in xmlParsePEReference. By sending specially-crafted XML data, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128275 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L)

CVEID: CVE-2017-5969
DESCRIPTION:
libxml2 is vulnerable to a denial of service, caused by a NULL pointer dereference in the xmlSaveDoc functionality when used in recover mode. By persuading a victim to open a specially crafted XML document, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128274 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

The following versions may be impacted:

  • IBM Streams Version 4.2.1.2 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 3 (4.2.1.3) 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

Get Notified about Future Security Bulletins

References

Off

Change History

Created: October 16, 2017
Updated: October 20, 2017

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

[{"Product":{"code":"SSCRJU","label":"IBM Streams"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Not Applicable","Platform":[{"code":"PF016","label":"Linux"}],"Version":"3.0;3.1;3.2;3.2.1;4.0;4.0.1;4.1;4.1.1;4.2;4.2.1","Edition":"All Editions","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
16 June 2018

UID

swg22009670