VDB-158376 · CVE-2020-14623 · GCVE-0-2020-14623

Oracle MySQL Server up to 8.0.20 InnoDB 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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle MySQL Server up to 8.0.20. This impacts an unknown function of the component InnoDB. The manipulation results in denial of service. This vulnerability is identified as CVE-2020-14623. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle MySQL Server up to 8.0.20 (Database Software). Affected is an unknown functionality of the component InnoDB. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.20 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

The weakness was released 07/15/2020 as Oracle Critical Patch Update Advisory - July 2020 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2020-14623. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Entries connected to this vulnerability are available at VDB-158073, VDB-158074, VDB-158075 and VDB-158076. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Database Software

Vendor

Oracle

Name

MySQL Server

Version

License

open-source

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 4.9
Vendor Vector (Oracle): 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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
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

06/19/2020 🔍
07/15/2020 +26 days 🔍
07/15/2020 +0 days 🔍
07/16/2020 +1 days 🔍
11/02/2020 +108 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2020
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-14623 (🔍)
GCVE (CVE): GCVE-0-2020-14623
GCVE (VulDB): GCVE-100-158376
See also: 🔍

Entryinfo

Created: 07/16/2020 09:26
Updated: 11/02/2020 00:42
Changes: 07/16/2020 09:26 (69), 11/02/2020 00:35 (2), 11/02/2020 00:42 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.