Security Bulletin
Summary
A vulnerability has been identified in the Expat XML parser, which affects IBM Security Access Manager appliances.
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 Access Manager for Web 7.0 appliances, all firmware versions.
IBM Security Access Manager for Web 8.0 appliances, all firmware versions.
IBM Security Access Manager for Mobile 8.0 appliances, all firmware versions.
IBM Security Access Manager 9.0 appliances, all firmware versions.
Remediation/Fixes
IBM has provided patches for all affected versions. Follow the installation instructions in the README files included with the patch.
| Product | VRMF | APAR | Remediation |
| IBM Security Access Manager for Web | 7.0 (appliance) | IV93300 | Apply Interim Fix 29: 7.0.0-ISS-WGA-IF0029 |
| IBM Security Access Manager for Web | 8.0.0.0 - 8.0.1.5 | IV93197 | 1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5: 8.0.1-ISS-WGA-FP0005 2. Upgrade to 8.0.1.5 IF 1: 8.0.1.5-ISS-WGA-IF0001 |
| IBM Security Access Manager for Mobile | 8.0.0.0 - 8.0.1.5 | IV93255 | 1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5: 8.0.1-ISS-ISAM-FP0005 2. Upgrade to 8.0.1.5 IF 1: 8.0.1.5-ISS-ISAM-IF0001 |
| IBM Security Access Manager | 9.0 - 9.0.2.1 | IV93197 | 1. For versions prior to 9.0.2.1, upgrade to 9.0.2.1: 9.0.2-ISS-ISAM-FP0001 2. Upgrade to 9.0.2.1 IF 1: 9.0.2.1-ISS-ISAM-IF0001 |
Workarounds and Mitigations
None.
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References
Change History
February 17, 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.
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Document Information
Modified date:
16 June 2018
UID
swg21998991