VDB-140849 · CVE-2019-4447 · XFDB 163488

IBM DB2 High Performance Unload up to 6.1.0.2 IF1 db2hpum_debug PATH access control

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.
8.0	$5k-$25k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in IBM DB2 High Performance Unload up to 6.1.0.2 IF1. Impacted is an unknown function of the file db2hpum_debug. The manipulation of the argument PATH as part of Environment Variable leads to access control. This vulnerability is traded as CVE-2019-4447. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM DB2 High Performance Unload up to 6.1.0.2 IF1 (Database Software). It has been rated as critical. This issue affects some unknown functionality of the file db2hpum_debug. The manipulation of the argument PATH as part of a Environment Variable leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

IBM DB2 High Performance Unload load for LUW 6.1, 6.1.0.1, 6.1.0.1 IF1, 6.1.0.2, 6.1.0.2 IF1, and 6.1.0.1 IF2 db2hpum_debug is a setuid root binary which trusts the PATH environment variable. A low privileged user can execute arbitrary commands as root by altering the PATH variable to point to a user controlled location. When a crash is induced the trojan gdb command is executed. IBM X-Force ID: 163488.

The weakness was shared 08/26/2019 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2019-4447 since 01/03/2019. An attack has to be approached locally. A simple authentication is required for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/04/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-140850 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Database Software

Vendor

Name

DB2 High Performance Unload

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: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.4
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
08/26/2019 +235 days 🔍
08/27/2019 +1 days 🔍
12/04/2023 +1560 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: exchange.xforce.ibmcloud.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-4447 (🔍)
GCVE (CVE): GCVE-0-2019-4447
GCVE (VulDB): GCVE-100-140849
X-Force: 163488

See also: 🔍

Entryinfo

Created: 08/27/2019 09:09
Updated: 12/04/2023 14:15
Changes: 08/27/2019 09:09 (41), 08/06/2020 16:40 (18), 12/04/2023 14:10 (3), 12/04/2023 14:15 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.