Oracle MySQL Server up to 8.0.31 Optimizer denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Oracle MySQL Server up to 8.0.31. This affects an unknown part of the component Optimizer. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-21867. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 8.0.31 (Database Software). Affected by this issue is an unknown function of the component Optimizer. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 01/17/2023 as Oracle Critical Patch Update Advisory - January 2023. The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2023-21867. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 236677 (Alibaba Cloud Linux 3 : 0081: mysql:8.0 (ALINUX3-SA-2023:0081)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (236677). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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: 🔍

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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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Nessus ID: 236677
Nessus Name: Alibaba Cloud Linux 3 : 0081: mysql:8.0 (ALINUX3-SA-2023:0081)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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

Timelineinfo

12/17/2022 🔍
01/17/2023 +31 days 🔍
01/17/2023 +0 days 🔍
01/18/2023 +1 days 🔍
05/18/2025 +851 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2023
Status: Confirmed

CVE: CVE-2023-21867 (🔍)
GCVE (CVE): GCVE-0-2023-21867
GCVE (VulDB): GCVE-100-218792

Entryinfo

Created: 01/18/2023 07:28
Updated: 05/18/2025 12:05
Changes: 01/18/2023 07:28 (39), 02/14/2023 07:56 (2), 02/14/2023 08:02 (11), 02/14/2023 08:07 (1), 05/18/2025 12:05 (24)
Complete: 🔍
Cache ID: 216::103

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

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