ESB-2017.1608 - [Win][HP-UX][Solaris][AIX][OSX] IBM Informix Dynamic Server: Denial of service - Existing account 2017-06-28

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1608
  Security Bulletin: IBM Informix Dynamic Server is affected by a buffer
                overflow in Informix function FORMAT_UNITS
                               28 June 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Informix Dynamic Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   OS X
                   Solaris
                   Windows
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1310  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22004930

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Security Bulletin: IBM Informix Dynamic Server is affected by a buffer 
overflow in Informix function FORMAT_UNITS

Security Bulletin

Document information

More support for: Informix Servers

Software version: 12.1

Operating system(s): Platform Independent

Reference #: 2004930

Modified date: 27 June 2017

Summary

IBM Informix Dynamic Server has addressed the following vulnerability.

Vulnerability Details

CVEID: CVE-2017-1310

DESCRIPTION: IBM Informix Dynamic Server could allow an authenticated user to
cause a buffer overflow that would write large assertion fail files to the 
server. Done enough times, this could use large parts of the file system and 
cause the server to crash.

CVSS Base Score: 6.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/125569 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected IBM Informix Dynamic Server 	Affected Versions

Informix Dynamic Server 		12.10

Remediation/Fixes

Product			VRMF		Remediation / First Fix

Informix Dynamic Server 12.10.xC8W2	Fix Central

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

Company Name: BEIJING DBSEC TECHNOLOGY CO., LTD. Reporters Name: Eddie Zhu

Change History

26 June 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

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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