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Security Bulletin: IBM Forms Viewer may be affected by a known issue with libpng library (CVE-2015-8126, CVE-2015-8472)

Security Bulletin


Summary

An IBM Form (XFDL document) that contains a specially crafted PNG image can crash IBM Forms Viewer. This can occur based on the Viewer's use of this library.

Vulnerability Details

CVEID: CVE-2015-8126

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper bounds checking by the png_set_PLTE() and png_get_PLTE() functions. By persuading a victim to open a specially-crafted PNG file, a remote attacker could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108010 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)


CVEID: CVE-2015-8472

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper bounds checking by the png_get_PLTE() and png_set_PLTE() functions. By persuading a victim to open a specially crafted PNG image, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109392 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

Affected Products and Versions

IBM Forms Viewer 4.0.*
IBM Forms Viewer 8.0.0
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 Viewer4.0.0.*LO87834Download and install LO87834
IBM Forms Viewer8.0.0.*LO87834Download and install LO87834
IBM Forms Viewer8.0.1.*LO87834
IBM Forms Viewer8.1.0.*LO87834Download and install LO87834
IBM Forms Viewer8.2.0.*LO87834Download and install LO87834
IBM Forms Viewer8.2.1.*LO87834Download and install LO87834

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References

Off

Change History

15 February 2016

*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.

[{"Product":{"code":"SS38QR","label":"IBM Forms Viewer"},"Business Unit":{"code":"BU055","label":"Cognitive Applications"},"Component":"--","Platform":[{"code":"PF033","label":"Windows"}],"Version":"8.2.1;8.2;8.1;8.0.1;8.0;4.0.0.4;4.0.0.2;4.0","Edition":"","Line of Business":{"code":"LOB31","label":"WCE Watson Marketing and Commerce"}}]

Document Information

Modified date:
16 June 2018

UID

swg21973231