VDB-227719 · CVE-2023-26021 · XFDB 247864

IBM DB2 11.1/11.5 SQL Query denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in IBM DB2 11.1/11.5. This affects an unknown function of the component SQL Query Handler. This manipulation causes denial of service. The identification of this vulnerability is CVE-2023-26021. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in IBM DB2 11.1/11.5 (Database Software). Affected by this vulnerability is some unknown functionality of the component SQL Query Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to a denial of service as the server may crash when compiling a specially crafted SQL query using a LIMIT clause. IBM X-Force ID: 247864.

The weakness was shared 04/28/2023. It is possible to read the advisory at ibm.com. This vulnerability is known as CVE-2023-26021 since 02/17/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (247864). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Database Software

Vendor

Name

Version

License

commercial

Website

Vendor: https://www.ibm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/17/2023 🔍
04/28/2023 +69 days 🔍
04/28/2023 +0 days 🔍
04/28/2023 +0 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2023-26021 (🔍)
GCVE (CVE): GCVE-0-2023-26021
GCVE (VulDB): GCVE-100-227719
X-Force: 247864

Entryinfo

Created: 04/28/2023 21:56
Changes: 04/28/2023 21:56 (51)
Complete: 🔍
Cache ID: 216::103