IBM DB2 Universal Database up to 9.0 auth_list_groups_for_authid memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in IBM DB2 Universal Database up to 9.0. Affected is the function auth_list_groups_for_authid. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2007-4423. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

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. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the AUTH_LIST_GROUPS_FOR_AUTHID function in IBM DB2 UDB 9.1 before Fixpak 3 allows attackers to cause a denial of service and possibly execute arbitrary code via a long argument.

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 www-1.ibm.com. 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 r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 19521 (IBM DB2 "AUTH_LIST_GROUPS_FOR_AUTHID" Security Vulnerability (IZ01828)).

Upgrading to version 9.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (36065), Tenable (25905), SecurityFocus (BID 25339†), OSVDB (40978†) and Secunia (SA26471†). Entries connected to this vulnerability are available at VDB-2960, VDB-3070, VDB-3463 and VDB-3464. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DB2 Universal Database 9.1

Timelineinfo

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 🔍
06/07/2025 +3736 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: www-1.ibm.com
Researcher: Joshua J. Drake
Organization: Application Security, Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4423 (🔍)
GCVE (CVE): GCVE-0-2007-4423
GCVE (VulDB): GCVE-100-38411
X-Force: 36065
SecurityFocus: 25339 - IBM DB2 Universal Database Multiple Unspecified Vulnerabilities
Secunia: 26471
OSVDB: 40978 - IBM DB2 AUTH_LIST_GROUPS_FOR_AUTHID function denial of service
SecurityTracker: 1018640
Vulnerability Center: 15932 - IBM DB2 UDB Unspecified Vulnerability Allows Attackers to Cause DoS, High
Vupen: ADV-2007-2912

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 06/07/2025 18:17
Changes: 03/16/2015 12:18 (71), 07/24/2019 11:27 (11), 06/07/2025 18:17 (17)
Complete: 🔍
Cache ID: 216:FF6:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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