Oracle Database Server up to 19c Database Gateway for ODBC denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle Database Server 11.2.0.4/12.1.0.2/12.2.0.1/18c/19c. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Database Gateway for ODBC. This manipulation causes denial of service. This vulnerability is tracked as CVE-2020-2512. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Oracle Database Server 11.2.0.4/12.1.0.2/12.2.0.1/18c/19c (Database Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Database Gateway for ODBC. 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:

Vulnerability in the Database Gateway for ODBC component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via OracleNet to compromise Database Gateway for ODBC. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Database Gateway for ODBC. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

The weakness was disclosed 01/15/2020 as Oracle Critical Patch Update Advisory - January 2020 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2020-2512. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-149016, VDB-149015, VDB-149014 and VDB-149013 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 5.9
Vendor Vector (Oracle): 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Oracle): 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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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: 🔍

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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-2020-2512 (🔍)
GCVE (CVE): GCVE-0-2020-2512
GCVE (VulDB): GCVE-100-148687
See also: 🔍

Entryinfo

Created: 01/16/2020 08:04
Updated: 03/21/2024 12:21
Changes: 01/16/2020 08:04 (53), 01/16/2020 09:02 (11), 03/21/2024 12:14 (17), 03/21/2024 12:21 (17)
Complete: 🔍
Cache ID: 216::103

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