Oracle MySQL Server up to 5.6.47/5.7.29/8.0.19 Stored Procedure denial of service

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.6.47/5.7.29/8.0.19. It has been rated as critical. This affects an unknown function of the component Stored Procedure. This manipulation causes denial of service. This vulnerability is handled as CVE-2020-2812. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 5.6.47/5.7.29/8.0.19 (Database Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Stored Procedure. 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 MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

The weakness was released 04/15/2020 as Oracle Critical Patch Update Advisory - April 2020 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is known as CVE-2020-2812. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. 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 236704 (Alibaba Cloud Linux 3 : 0014: mariadb:10.3 (ALINUX3-SA-2021:0014)), 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 (236704). Entries connected to this vulnerability are available at VDB-153686, VDB-153290, VDB-153291 and VDB-153293. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• MySQL Server

Version

• 5.6.0
• 5.6.1
• 5.6.2
• 5.6.3
• 5.6.4
• 5.6.5
• 5.6.6
• 5.6.7
• 5.6.8
• 5.6.9
• 5.6.10
• 5.6.11
• 5.6.12
• 5.6.13
• 5.6.14
• 5.6.15
• 5.6.16
• 5.6.17
• 5.6.18
• 5.6.19
• 5.6.20
• 5.6.21
• 5.6.22
• 5.6.23
• 5.6.24
• 5.6.25
• 5.6.26
• 5.6.27
• 5.6.28
• 5.6.29
• 5.6.30
• 5.6.31
• 5.6.32
• 5.6.33
• 5.6.34
• 5.6.35
• 5.6.36
• 5.6.37
• 5.6.38
• 5.6.39
• 5.6.40
• 5.6.41
• 5.6.42
• 5.6.43
• 5.6.44
• 5.6.45
• 5.6.46
• 5.6.47
• 5.7.0
• 5.7.1
• 5.7.2
• 5.7.3
• 5.7.4
• 5.7.5
• 5.7.6
• 5.7.7
• 5.7.8
• 5.7.9
• 5.7.10
• 5.7.11
• 5.7.12
• 5.7.13
• 5.7.14
• 5.7.15
• 5.7.16
• 5.7.17
• 5.7.18
• 5.7.19
• 5.7.20
• 5.7.21
• 5.7.22
• 5.7.23
• 5.7.24
• 5.7.25
• 5.7.26
• 5.7.27
• 5.7.28
• 5.7.29
• 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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CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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