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

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

| VRMF| Remediation/First Fix
—|—|—
IBM Security Network Protection| Firmware version 5.3.1| Download 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 Protection| Firmware version 5.3.2| Install 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 Protection| Firmware version 5.3.3| Install 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