Oracle MySQL Connectors up to 8.0.19/5.1.48 Connector/J denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability classified as critical was found in Oracle MySQL Connectors up to 8.0.19/5.1.48 (Database Software). Affected by this vulnerability is an unknown code of the component Connector/J. 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 confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.19 and prior and 5.1.48 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data as well as unauthorized read access to a subset of MySQL Connectors accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L).

The weakness was disclosed 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-2020-2934. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. 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.

The entries 153686, 153290, 153291 and 153293 are pretty similar.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 5.0
Vendor Vector (Oracle): 🔍

NVD Base Score: 5.0
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

04/15/2020 🔍
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04/15/2020 +0 days 🔍
04/15/2020 +0 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2020
Status: Confirmed

CVE: CVE-2020-2934 (🔍)
See also: 🔍

Entryinfo

Created: 04/15/2020 12:42
Changes: 04/15/2020 12:42 (63)
Complete: 🔍

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