Security Bulletin
Summary
A set of Libxml2 vulnerabilities were disclosed by the Libxml2 Project. Libxml2 is used by IBM Streams. IBM Streams has addressed the applicable CVEs.
Vulnerability Details
CVEID: CVE-2016-4447
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow. By persuading a victim to open a specially crafted XML file, a remote attacker could overflow a buffer and cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113522 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2016-4448
DESCRIPTION: libxml2 could allow a remote attacker to execute arbitrary code on the system, caused by a format string error. By using a specially crafted html file containing malicious format specifiers, a remote attacker could exploit this vulnerability to execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113523 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-4449
DESCRIPTION: libxml2 could allow a remote attacker to obtain sensitive information, caused by a XML external entity (XXE) error when processing XML data by the XML parser. A remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113524 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:N/A:N)
Affected Products and Versions
- IBM Streams Version 4.1.1.1 and earlier
- IBM InfoSphere Streams Version 4.0.1.2 and earlier
- IBM InfoSphere Streams Version 3.2.1.5 and earlier
- IBM InfoSphere Streams Version 3.1.0.7 and earlier
- IBM InfoSphere Streams Version 3.0.0.5 and earlier
- IBM InfoSphere Streams Version 2.0.0.4 and earlier
- IBM InfoSphere Streams Version 1.2.1.0
Remediation/Fixes
NOTE: Fix Packs are available on IBM Fix Central.
- Version 4.1.1:
- Version 4.0.1:
- Version 3.2.1:
- Version 3.1.0:
- Contact IBM Technical Support.
- Version 3.0.0:
- Contact IBM Technical Support.
- Versions 1.2 and 2.0:
- For version 1.x and 2.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
Change History
22 September 2016: Original version created
05 December 2016: Added links to fix packs
*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
swg21991061