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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.1159
     IBM Informix database unspecified SQL statements buffer overflow
                             10 December 2012

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

Product:           IBM Informix
Publisher:         ISS
Operating System:  AIX
                   HP-UX
                   Linux variants
                   OS X
                   Solaris
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-4857  

Original Bulletin: 
   http://xforce.iss.net/xforce/xfdb/79737

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IBM Informix database unspecified SQL statements buffer overflow

informix-sql-bo (79737)	High Risk

Description:

IBM Informix is vulnerable to a buffer overflow caused by improper handling of
unspecified SQL statements. A remote attacker with valid authentication
credentials could exploit this vulnerability to crash the Informix database
server or execute arbitrary code within Informix database server process.

*CVSS:

Base Score:			9
  Access Vector:		Network
  Access Complexity:		Low
  Authentication:		Single
  Confidentiality Impact:	Complete
  Integrity Impact:		Complete
  Availability Impact:		Complete
 
Temporal Score:			6.7
  Exploitability:		Unproven
  Remediation Level:		Official-Fix
  Report Confidence:		Confirmed

Consequences:

Gain Access

Remedy:

Refer to IBM Security Bulletin 1618994 for patch, upgrade or suggested
workaround information. See References.

References:

IBM Security Bulletin 1618994: Buffer overrun vulnerability when executing
unspecified SQL statements in IBM Informix (CVE-2012-4857).
http://www-01.ibm.com/support/docview.wss?rs=630&uid=swg21618994

BID-56857: IBM Informix Dynamic Server CVE-2012-4857 Buffer Overflow
Vulnerability
http://www.securityfocus.com/bid/56857

CVE-2012-4857: ** RESERVED ** This candidate has been reserved by an
organization or individual that will use it when announcing a new security
problem. When the candidate has been publicized, the details for this candidate
will be provided.
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4857

SA51506: IBM Informix Dynamic Server Buffer Overflow Vulnerability
http://secunia.com/advisories/51506

Platforms Affected:

IBM Informix Dynamic Server 11.5
IBM Informix Dynamic Server 11.7
Reported:

Dec 06, 2012

The information within this database may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There are NO
warranties, implied or otherwise, with regard to this information or its use.
Any use of this information is at the user's risk. In no event shall the
author/distributor (IBM Internet Security Systems X-Force) be held liable for
any damages whatsoever arising out of or in connection with the use or spread
of this information.

For corrections or additions please email xforce@us.ibm.com

* 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. 

The information within this database may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There are NO
warranties, implied or otherwise, with regard to this information or its use.
Any use of this information is at the user's risk. In no event shall IBM be
held liable for any damages whatsoever arising out of or in connection with the
use or spread of this information.

About IBM Internet Security Systems
IBM Internet Security Systems is a trusted security advisor to thousands of the
world's leading businesses and governments, helping to provide pre-emptive
protection for networks, desktops and servers. The IBM Proventia integrated
security platform is designed to automatically protect against both known and
unknown threats, helping to keep networks up and running and shield customers
from online attacks before they impact business assets. IBM Internet Security
Systems products and services are based on the proactive security intelligence
of its X-Force research and development team an unequivocal world authority in
vulnerability and threat research. The IBM Internet Security Systems product
line is also complemented by comprehensive Managed Security Services and
Professional Security Services. For more information, visit the IBM Internet
Security Systems Web site at www.iss.net or call 800-776-2362.

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