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Category:   Application (Database)  >   Ingres Database Vendors:   Ingres Corporation
Ingres Database 'verifydb' Utility Lets Local Users Modify Files
SecurityTracker Alert ID:  1020613
SecurityTracker URL:
CVE Reference:   CVE-2008-3356   (Links to External Site)
Date:  Aug 3 2008
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 2006 release 2 (9.1.0), 2006 release 1 (9.0.4), and 2.6
Description:   A vulnerability was reported in Ingres Database. A local user can modify certain files on the target system.

A local user can invoke the 'verifydb' utility to modify files on the target system with 'ingres' user privileges.

The 'verifydb' utility creates the 'iivdb.log' file with world-writable permissions in the current directory. A local user can create a symbolic link from a file on the target system to the log file to gain write access to the target file.

The vendor was notified on July 20, 2007.

An anonymous researcher reported this vulnerability via iDefense.

Impact:   A local user can modify files on the target system with 'ingres' user privileges.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 7 2008 (CA Issues Fix for CA ARCserve Backup for Linux) Ingres Database 'verifydb' Utility Lets Local Users Modify Files
CA has issued a fix for CA ARCserve Backup for Linux.

 Source Message Contents

Subject:  iDefense Security Advisory 08.01.08: Ingres Database for Linux

iDefense Security Advisory 08.01.08
Aug 01, 2008


Ingres Database is a database server used in several Computer
Associates' products. For example, CA Directory Service uses the Ingres
Database server. More information can be found on the vendor's website
at the following URL.


Local exploitation of a file permissions modification vulnerability in
the "verifydb" utility, as included with Ingres Database 2006 Release 2
for Linux, allows attackers to modify the permissions of files owned by
the Ingres database user.

The vulnerability exists within the "verifydb" utility included with
Ingres. It is used to cleanup unneeded files created in the database
directory. This program has the set-uid bit set, and is owned by the
"ingres" user.

The "verifydb" program improperly changes the permissions on files. The
program first creates a file called "iivdb.log" in the current
directory, and then makes it world writable. By creating a symbolic
link to a file owned by the "ingres" user, an attacker can gain write
access to the target file.


Exploitation of this vulnerability allows an attacker to overwrite
arbitrary files owned by the "ingres" user. By itself, this
vulnerability does not have very serious consequences. However, when
combined with the library loading vulnerability, it allows an attacker
to execute arbitrary code with root privileges.


iDefense has confirmed the existence of this vulnerability in Ingres
2006 Enterprise Edition Release 2 for Linux x86 (32-bit). Other
versions may also be affected.


iDefense is currently unaware of any workaround for this issue.


"This problem has been identified and resolved by Ingres in the
following releases: Ingres 2006 release 2 (9.1.0), Ingres 2006 release
1 (9.0.4), and Ingres 2.6."

For more information, refer to Ingres' advisory at the following URL.


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-3356 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


07/20/2007  Initial vendor response
07/23/2007  Initial vendor notification
08/01/2008  Coordinated public disclosure


The discoverer of this vulnerability wishes to remain anonymous.

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 There are no warranties with regard to this information. Neither the
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