VDB-148690 · CVE-2020-2731 · GCVE-0-2020-2731

Oracle Database Server 12.1.0.2/12.2.0.1/18c/19c Core RDBMS 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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Oracle Database Server 12.1.0.2/12.2.0.1/18c/19c. This vulnerability affects unknown code of the component Core RDBMS. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2020-2731. The attack needs to be launched locally. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Oracle Database Server 12.1.0.2/12.2.0.1/18c/19c (Database Software). This vulnerability affects an unknown part of the component Core RDBMS. 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 integrity, and availability. CVE summarizes:

Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows low privileged attacker having Local Logon privilege with logon to the infrastructure where Core RDBMS executes to compromise Core RDBMS. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Core RDBMS accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Core RDBMS. CVSS 3.0 Base Score 3.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L).

The weakness was published 01/15/2020 as Oracle Critical Patch Update Advisory - January 2020 as confirmed advisory (Website). The advisory is available at oracle.com. This vulnerability was named CVE-2020-2731. Local access is required to approach this attack. A single authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-149016, VDB-149015, VDB-149014 and VDB-149013. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Database Software

Vendor

Oracle

Name

Database Server

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 3.9
Vendor Vector (Oracle): 🔍

NVD Base Score: 3.9
NVD Vector: 🔍

CNA Base Score: 3.9
CNA Vector (Oracle): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/10/2019 🔍
01/15/2020 +36 days 🔍
01/15/2020 +0 days 🔍
01/16/2020 +1 days 🔍
03/21/2024 +1526 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2020
Status: Confirmed

CVE: CVE-2020-2731 (🔍)
GCVE (CVE): GCVE-0-2020-2731
GCVE (VulDB): GCVE-100-148690
See also: 🔍

Entryinfo

Created: 01/16/2020 08:04
Updated: 03/21/2024 13:06
Changes: 01/16/2020 08:04 (53), 01/16/2020 09:02 (11), 03/21/2024 12:59 (17), 03/21/2024 13:06 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.