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Security Bulletin: A vulnerability in Expat XML parser affects IBM Security Network Protection (CVE-2016-0718)

Security Bulletin


Summary

A security vulnerability has been discovered in Expat XML parser, which is used by IBM Security Network Protection.

Vulnerability Details

CVEID: CVE-2016-0718
DESCRIPTION: Expat is vulnerable to a buffer overflow, caused by improper bounds checking when processing malformed XML data. By using the Expat library, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the victim or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113408 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

IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
IBM Security Network Protection 5.3.3

Remediation/Fixes

Product

VRMFRemediation/First Fix
IBM Security Network ProtectionFirmware version 5.3.1Download Firmware 5.3.1.12 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.
IBM Security Network ProtectionFirmware version 5.3.2Install Firmware 5.3.2.6 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.
IBM Security Network ProtectionFirmware version 5.3.3Install Firmware 5.3.3.2 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.

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

23 January 2017: Original Version Published

*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.

[{"Product":{"code":"SSHLHV","label":"IBM Security Network Protection"},"Business Unit":{"code":"BU008","label":"Security"},"Component":"--","Platform":[{"code":"PF009","label":"Firmware"}],"Version":"5.3.1;5.3.2;5.3.3","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
16 June 2018

UID

swg21995440

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