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AUSCERT External Security Bulletin Redistribution
ESB-2017.2180
Security Bulletin: IBM Notes is affected by Open Source
libpng Vulnerabilities
1 September 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Notes
Publisher: IBM
Operating System: Linux variants
OS X
Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-10087
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22002676
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Security Bulletin: IBM Notes is affected by Open Source libpng Vulnerabilities
Security Bulletin
Document information
More support for: IBM Notes
Security
Software version: 8.5.1.5, 8.5.2.4, 8.5.3.6, 9.0, 9.0.1.8
Operating system(s): Linux, OS X, Windows
Reference #: 2002676
Modified date: 31 August 2017
Summary
Libpng which is a open source library is vulnerable to a denial of service
caused by a NULL pointer dereference in the png_set_text_2 function. IBM Notes
uses Open Source libpng library. IBM Notes has addressed these vulnerabilities
Vulnerability Details
CVEID: CVE-2016-10087
DESCRIPTION: libpng is vulnerable to a denial of service, caused by a NULL
pointer dereference in the png_set_text_2 function. By loading a text chunk
into a png structure, removing the text, and then adding another text chunk to
the structure, a remote attacker could exploit this vulnerability to cause a
denial of service.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124207 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:H)
Affected Products and Versions
IBM Notes 9.0.1 to 9.0.1 FP8IF1.
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
Product Version Link
IBM Notes 9.0.1 FP9 https://www.ibm.com/support/docview.wss?uid=swg24037141
IBM Notes 8.5.3 FP6 IF15 http://www.ibm.com/support/docview.wss?uid=swg21663874
IBM Notes 64-bit Mac 901 64-bit Mac IF11 http://www.ibm.com/support/docview.wss?uid=swg21657963
Customers who remain on the following releases may open a Service Request with
IBM Support and reference SPR# PPUEAHRDF7.
IBM Notes 9.0.1 to 9.0.1 FP8 IF1
IBM Notes 9.0 to 9.0 IF4.
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
Workarounds and Mitigations
None
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
31 August 2017: Original 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.
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