VDB-140433 · CVE-2019-4253 · XFDB 159941

IBM Informix Dynamic Server 12.1 Shared Library 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.
7.8	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as critical has been found in IBM Informix Dynamic Server 12.1. The impacted element is an unknown function of the component Shared Library Handler. Performing a manipulation results in access control. This vulnerability was named CVE-2019-4253. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in IBM Informix Dynamic Server 12.1 (Information Management Software). It has been classified as critical. This affects some unknown processing of the component Shared Library Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local privileged Informix user to load a malicious shared library and gain root access privileges. IBM X-Force ID: 159941.

The weakness was presented 08/20/2019 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. This vulnerability is uniquely identified as CVE-2019-4253 since 01/03/2019. An attack has to be approached locally. Required for exploitation is a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/27/2023). It is expected to see the exploit prices for this product increasing in the near future.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.

See VDB-140375, VDB-140376, VDB-140377 and VDB-140378 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Information Management Software

Vendor

Name

Informix Dynamic Server

Version

12.1

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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 🔍
08/20/2019 +229 days 🔍
08/21/2019 +1 days 🔍
11/27/2023 +1559 days 🔍

Sourcesinfo

Vendor: ibm.com

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

CVE: CVE-2019-4253 (🔍)
GCVE (CVE): GCVE-0-2019-4253
GCVE (VulDB): GCVE-100-140433
X-Force: 159941

See also: 🔍

Entryinfo

Created: 08/21/2019 10:24
Updated: 11/27/2023 14:17
Changes: 08/21/2019 10:24 (40), 08/01/2020 16:44 (18), 11/27/2023 14:17 (3)
Complete: 🔍
Cache ID: 216::103

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