Oracle MySQL Server up to 8.0.16 Roles input validation

Summaryinfo

A vulnerability classified as critical was found in Oracle MySQL Server up to 8.0.16. This affects an unknown part of the component Roles. The manipulation results in input validation. This vulnerability is identified as CVE-2019-2826. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Oracle MySQL Server up to 8.0.16 (Database Software). Affected is an unknown function of the component Roles. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Roles). Supported versions that are affected are 8.0.16 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 07/16/2019 as Oracle Critical Patch Update Advisory - Juli 2019 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2019-2826 since 12/14/2018. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available.

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

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

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