IBM Support

Security Bulletin: IBM Notes Open Source Expat Vulnerabilities disclsoure

Security Bulletin


Summary

IBM Notes consumes Expat XML Parser for which the vulnerabilities are reported. Expat XML Parser is used by Keyview 10.22 library which is consumed by IBM Notes. IBM will address this vulnerability by updating fixes provided by HP to the existing Keyview 10.22 library.

Vulnerability Details

CVEID: CVE-2012-6702
DESCRIPTION:
 Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, could provide weaker than expected security. An attacker could exploit this vulnerability using attack vectors involving use of the srand function to defeat cryptographic protection mechanisms.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114541 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID: CVE-2016-5300
DESCRIPTION:
 Expat XML parser is vulnerable to a denial of service, caused by the failure to use sufficient entropy for hash initialization. By using a specially-crafted identifiers in an XML document, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114435 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 Notes 9.0.1 to 9.0.1 FP7
IBM Notes 9.0 to 9.0 IF4
IBM Notes 8.5.3 to 8.5.3 FP6 IF13
IBM Notes 8.5.2 to 8.5.2 FP4 IF3
IBM Notes 8.5.1. to 8.5.1 FP5 IF3
IBM Notes 8.5 release

Remediation/Fixes



Customers who remain on the following releases may open a Service Request with IBM Support referencing SPR# PPUEADTGFX.

IBM Notes 9.0.1 to 9.0.1 FP7
IBM Notes 9.0 to 9.0 IF4.
IBM Notes 8.5.3 to 8.5.3 FP6 IF13.
IBM Notes 8.5.2 to 8.5.2 FP4 IF3.
IBM Notes 8.5.1. to 8.5.1 FP5 IF3.
IBM Notes 8.5 release

Get Notified about Future Security Bulletins

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

27 March 2017: Final Publication

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: IBM Notes
Security

Software version: 8.5.1.5, 8.5.2.4, 8.5.3.6, 9.0, 9.0.1.7

Operating system(s): Linux, OS X, Windows

Reference #: 1990658

Modified date: 27 March 2017