Security Bulletin: IBM Informix Dynamic Server is affected by a buffer overflow in Informix function FORMAT_UNITS
IBM Informix Dynamic Server has addressed the following vulnerability.
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 / First Fix
|Informix Dynamic Server||12.10.xC8W2|
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ReferencesComplete CVSS v3 Guide
On-line Calculator v3
Related informationIBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Company Name: BEIJING DBSEC TECHNOLOGY CO., LTD. Reporters Name: Eddie Zhu
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.
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.