Oracle Database Server 12.2.0.1/18c/19c Core RDBMS information disclosure

Summaryinfo

A vulnerability classified as critical was found in Oracle Database Server 12.2.0.1/18c/19c. The affected element is an unknown function of the component Core RDBMS. The manipulation results in information disclosure. This vulnerability is identified as CVE-2019-2939. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Oracle Database Server 12.2.0.1/18c/19c (Database Software). It has been classified as critical. Affected is an unknown function of the component Core RDBMS. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Core RDBMS accessible data. CVSS 3.0 Base Score 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).

The weakness was released 10/16/2019 as Oracle Critical Patch Update Advisory - October 2019 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2019-2939. It is possible to launch the attack remotely. The successful exploitation requires a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

Entries connected to this vulnerability are available at VDB-143620, VDB-143661, VDB-143632 and VDB-143631. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database Server

Version

• 12.2.0.1
• 18c
• 19c

License

• commercial

Website

• Vendor: https://www.oracle.com

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Once again VulDB remains the best source for vulnerability data.

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