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Security Bulletin: IBM Forms Viewer may be affected by an Apache Xerces-C XML Parser library vulnerability (CVE-2016-0729, CVE-2016-4463)

Created by Gurbhej Ajmani on
Published URL:
https://www.ibm.com/support/pages/node/549249
549249

Security Bulletin


Summary

An IBM Form (XFDL document) that contains a specially crafted mark-up could crash IBM Forms Viewer. This may expose a vulnerability in its use of the Apache Xerces-C XML Parser library.

Vulnerability Details

CVEID: CVE-2016-0729
DESCRIPTION: Apache Xerces-C XML Parser library is vulnerable to a denial of service, caused by improper bounds checking during processing and error reporting. By sending specially crafted input documents, an attacker could exploit this vulnerability to cause the library to crash or possibly execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111028 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-2016-4463
DESCRIPTION: Apache Xerces-C XML Parser library is vulnerable to a denial of service, caused by a stack-based buffer overflow when parsing a deeply nested DTD. A remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114596 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Forms Viewer 8.0.1
IBM Forms Viewer 8.1
IBM Forms Viewer 8.2
IBM Forms Viewer 8.2.1

Remediation/Fixes

Product

VRMFAPARRemediation
IBM Forms Viewer8.0.1.*LO89917Download and install LO89917
IBM Forms Viewer8.1.0.*LO89917Download and install LO89917
IBM Forms Viewer8.2.0.*LO89917Download and install LO89917
IBM Forms Viewer8.2.1.*LO89917

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

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

2 September 2016 : Original copy published
4 October 2016 : Updated to reflect CVE-2016-4463

*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

swg21988714

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