IBM DB2 DTS To String Conversion Denial Of Service Vulnerability

BID:11400

Info

IBM DB2 DTS To String Conversion Denial Of Service Vulnerability

Bugtraq ID: 11400
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Sep 01 2004 12:00AM
Updated: Sep 01 2004 12:00AM
Credit: Discovery is credited to Chris Anley of NGSSoftware.
Vulnerable: IBM DB2 Universal Database for Windows 8.1
IBM DB2 Universal Database for Windows 8.0
IBM DB2 Universal Database for Windows 7.2
IBM DB2 Universal Database for Windows 7.1
IBM DB2 Universal Database for Solaris 8.1
IBM DB2 Universal Database for Solaris 8.0
IBM DB2 Universal Database for Solaris 7.2
IBM DB2 Universal Database for Solaris 7.1
IBM DB2 Universal Database for Solaris 7.0
IBM DB2 Universal Database for Solaris 6.1
IBM DB2 Universal Database for Solaris 6.0
IBM DB2 Universal Database for Linux 8.1
IBM DB2 Universal Database for Linux 8.0
IBM DB2 Universal Database for Linux 7.2
IBM DB2 Universal Database for Linux 7.1
IBM DB2 Universal Database for Linux 7.0
IBM DB2 Universal Database for Linux 6.1
- Caldera OpenLinux 2.4
- Redhat Linux 7.0
- SuSE Linux 7.0
- Turbolinux Turbolinux 6.0.4
IBM DB2 Universal Database for Linux 6.0
IBM DB2 Universal Database for HP-UX 8.1
IBM DB2 Universal Database for HP-UX 8.0
IBM DB2 Universal Database for HP-UX 7.2
IBM DB2 Universal Database for HP-UX 7.1
IBM DB2 Universal Database for HP-UX 7.0
IBM DB2 Universal Database for HP-UX 6.1
IBM DB2 Universal Database for HP-UX 6.0
IBM DB2 Universal Database for AIX 8.1
IBM DB2 Universal Database for AIX 8.0
IBM DB2 Universal Database for AIX 7.2
IBM DB2 Universal Database for AIX 7.1
IBM DB2 Universal Database for AIX 7.0
IBM DB2 Universal Database for AIX 6.1
IBM DB2 Universal Database for AIX 6.0
Not Vulnerable:

Discussion

IBM DB2 DTS To String Conversion Denial Of Service Vulnerability

IBM DB2 is reported prone to a denial of service vulnerability when DTS to string conversion is carried out.

It is reported that during a DTS to string conversion a trap occurs if an empty formatting string is provided. The vulnerability is exposed in the 'to_char' and 'to_date' conversion functions.

This is one of the issues announced in BIDs 11089 and 11327. It is now being assigned its own BID since the vendor has provided additional technical information.

Exploit / POC

IBM DB2 DTS To String Conversion Denial Of Service Vulnerability

There is no exploit required. The following examples were provided:

select to_char('aaa','') from sysibm.sysdummy1
select to_date('aaa', '') from sysibm.sysdummy1

Solution / Fix

IBM DB2 DTS To String Conversion Denial Of Service Vulnerability

Solution:
The vendor has released FixPak 6a and 7a to address this issues.


IBM DB2 Universal Database for AIX 8.0

IBM DB2 Universal Database for HP-UX 8.0

IBM DB2 Universal Database for Solaris 8.0

IBM DB2 Universal Database for Linux 8.0

IBM DB2 Universal Database for Windows 8.0

IBM DB2 Universal Database for Windows 8.1

IBM DB2 Universal Database for AIX 8.1

IBM DB2 Universal Database for Solaris 8.1

IBM DB2 Universal Database for Linux 8.1

IBM DB2 Universal Database for HP-UX 8.1

References

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