Oracle MySQL Server up to 8.0.29 Encryption denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Oracle MySQL Server up to 8.0.29. Affected by this issue is some unknown functionality of the component Encryption. This manipulation causes denial of service. The identification of this vulnerability is CVE-2022-21538. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 8.0.29 (Database Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component Encryption. 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 weakness was shared 07/19/2022 as Oracle Critical Patch Update Advisory - July 2022. The advisory is shared at oracle.com. This vulnerability is known as CVE-2022-21538. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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.

Upgrading eliminates this vulnerability. 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). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.1
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: Upgrade
Status: 🔍

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

Timelineinfo

11/15/2021 🔍
07/19/2022 +245 days 🔍
07/19/2022 +0 days 🔍
07/20/2022 +1 days 🔍
05/18/2025 +1033 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2022
Status: Confirmed

CVE: CVE-2022-21538 (🔍)
GCVE (CVE): GCVE-0-2022-21538
GCVE (VulDB): GCVE-100-204469

Entryinfo

Created: 07/20/2022 08:17
Updated: 05/18/2025 06:37
Changes: 07/20/2022 08:17 (40), 08/14/2022 09:47 (2), 08/14/2022 09:52 (10), 05/18/2025 06:37 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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