A stack-based buffer overflow in IBM Informix Dynamic Server 11.50 and 11.70 could allow code execution.
The specific flaw exists when processing the arguments to the SET COLLATION statement. Exploitation can result in arbitrary code execution with the privileges of the database server.
CVE ID: CVE-2012-3334
Authenticated users may be able to send a message to the Informix database that will crash the server, or cause arbitrary code execution with elevated privileges.
CVSS Base Score: 9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/78277 for the current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:L/Au:S/C:C/I:C/A:C)
Affected releases: 11.50 — any version prior to 11.50.xC9W2; 11.70 — any version prior to 11.70.xC5
REMEDIATION: Upgrade to a version of Informix Dynamic Server with the fix (11.50.xC9W2 or later; 11.70.xC5 or later).
Please contact support to request delivery of the current version. A current support agreement is required.
This vulnerability was reported to IBM by Ewerson Guimaraes and Rodrigo Escobar of DcLabs Security Research Group
October 5, 2012: Acknowledgements added
*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 Flash.
Note: 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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25 September 2022