Multiple Arbitrary File Access (Write/Read) Vulnerabilities

Advisory Content :

NGSSoftware Insight Security Research Advisory

Name: Multiple Arbitrary File Access (Write/Read) Vulnerabilities
Systems Affected: All version of Informix
Severity: High
Vendor URL: http://www.ibm.com/
Author: David Litchfield [ davidl (at) ngssoftware (dot) com [email
concealed] ]
Date of Public Advisory: 2nd August 2006
Advisory number: #NISR02082006I
CVEID: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3859
Advisory URL: http://www.ngssoftware.com/research/

Description
***********
Informix Dynamic Server is a database developed by IBM. During a security
assessment of Informix multiple file creation/write/read issues were
discovered.

Details
*******
The LOTOFILE function and rlt_tracefile_set functions can be used to create

and write to files. The SET DEBUG FILE can also be used to create and write

to files.

Fix Information
***************
IBM was alerted to this flaw on the 6th January 2005. Patches have now been

made available; further a workaround is to revoke public execute permission

of the functions involved. There is no workaround for the set debug file.

NGSSQuirreL for Informix, an advanced vulnerability assessment scanner
designed specifically for Informix, can be used to accurately determine
whether your servers are vulnerable to this flaw. More information about
NGSSQuirreL for Informix can be found here
http://www.ngssoftware.com/products/database-security/ngs-squirrel-infor
mix.php

About NGSSoftware
*****************

NGSSoftware develops vulnerability assessment and compliancy tools for
database servers including Oracle, Microsoft SQL Server, DB2, Sybase and
Informix. Headquartered in the United Kingdom NGS has offices in London,
St.
Andrews (UK), Sydney, Brisbane, and Perth (Australia) and Texas in the
United States; NGSConsulting provide services to some of the largest and
most demanding organizations around the globe.

http://www.ngssoftware.com/

Telephone +44 208 401 0070
Fax +44 208 401 0076

enquiries (at) ngssoftware (dot) com [email concealed]

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Multiple Arbitrary File Access (Write/Read) Vulnerabilities