Oracle MySQL Server up to 8.0.19 Group Replication Plugin denial of service

Summaryinfo

A vulnerability marked as critical has been reported in Oracle MySQL Server up to 8.0.19. Affected by this issue is some unknown functionality of the component Group Replication Plugin. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2020-2921. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 8.0.19 (Database Software). This issue affects an unknown code of the component Group Replication Plugin. 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 summary by CVE is:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affected are 8.0.19 and prior. Difficult to exploit 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 3.0 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

The weakness was published 04/15/2020 as Oracle Critical Patch Update Advisory - April 2020 as confirmed advisory (Website). The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2020-2921. The exploitation is known to be difficult. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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

Similar entries are available at VDB-153686, VDB-153290, VDB-153291 and VDB-153293. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• MySQL Server

Version

• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.0.7
• 8.0.8
• 8.0.9
• 8.0.10
• 8.0.11
• 8.0.12
• 8.0.13
• 8.0.14
• 8.0.15
• 8.0.16
• 8.0.17
• 8.0.18
• 8.0.19

License

• open-source

Website

• Vendor: https://www.oracle.com

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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Entryinfo

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

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