Oracle MySQL Server up to 8.0.16 Replication access control

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 8.0.16. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Replication. This manipulation causes access control. This vulnerability is handled as CVE-2019-2800. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Oracle MySQL Server up to 8.0.16 (Database Software). Affected by this vulnerability is an unknown function of the component Replication. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity, and availability. The summary by CVE is:

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 8.0.16 and prior. Easily exploitable vulnerability allows low 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H).

The weakness was released 07/16/2019 as Oracle Critical Patch Update Advisory - Juli 2019 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is known as CVE-2019-2800 since 12/14/2018. The attack can be launched remotely. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 210323 (RHEL 7 : rh-mysql80-mysql (RHSA-2019:2484)), 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 (210323). Entries connected to this vulnerability are available at VDB-137972, VDB-137963, VDB-137964 and VDB-137965. 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

License

• open-source

Website

• Vendor: https://www.oracle.com

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

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