IBM DB2 Universal Database up to 9.0 auth_list_groups_for_authid memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in IBM DB2 Universal Database up to 9.0 (Database Software). It has been rated as critical. This issue affects the function auth_list_groups_for_authid. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is availability.

The bug was discovered 08/15/2007. The weakness was released 08/18/2007 by Joshua J. Drake with Application Security, Inc. (Website). It is possible to read the advisory at The identification of this vulnerability is CVE-2007-4423 since 08/18/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 25905 (IBM DB2 < 9 Fix Pack 3 / 8 Fix Pack 15 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Databases and running in the context remote.

Upgrading to version 9.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (36065), SecurityTracker (ID 1018640), Vulnerability Center (SBV-15932) and Tenable (25905). Entries connected to this vulnerability are available at 2960, 3070, 3463 and 3464.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 25905
Nessus Name: IBM DB2 < 9 Fix Pack 3 / 8 Fix Pack 15 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DB2 Universal Database 9.1


08/15/2007 🔍
08/15/2007 +0 days 🔍
08/16/2007 +1 days 🔍
08/16/2007 +0 days 🔍
08/18/2007 +2 days 🔍
08/18/2007 +0 days 🔍
08/18/2007 +0 days 🔍
08/20/2007 +2 days 🔍
08/28/2007 +8 days 🔍
08/31/2007 +3 days 🔍
03/16/2015 +2754 days 🔍
07/24/2019 +1591 days 🔍



Researcher: Joshua J. Drake
Organization: Application Security, Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4423 (🔍)
X-Force: 36065
SecurityTracker: 1018640
Vulnerability Center: 15932 - IBM DB2 UDB Unspecified Vulnerability Allows Attackers to Cause DoS, High
SecurityFocus: 25339 - IBM DB2 Universal Database Multiple Unspecified Vulnerabilities
Secunia: 26471
OSVDB: 40978 - IBM DB2 AUTH_LIST_GROUPS_FOR_AUTHID function denial of service
Vupen: ADV-2007-2912

See also: 🔍


Created: 03/16/2015 12:18 PM
Updated: 07/24/2019 11:27 AM
Changes: (11) vulnerability_discoverydate vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a source_osvdb source_osvdb_title
Complete: 🔍


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