Oracle Database 12.1.0.2/12.2.0.1/18c/19c Core RDBMS access control

Summaryinfo

A vulnerability was found in Oracle Database 12.1.0.2/12.2.0.1/18c/19c. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component Core RDBMS. This manipulation causes access control. This vulnerability appears as CVE-2019-2776. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Oracle Database 12.1.0.2/12.2.0.1/18c/19c (Database Software). Affected by this vulnerability is an unknown code block of the component Core RDBMS. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Create Any Index 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 access to critical data or complete access to all Core RDBMS accessible data as well as unauthorized update, insert or delete access to some of Core RDBMS accessible data. CVSS 3.0 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N).

The weakness was presented 07/16/2019 as Oracle Critical Patch Update Advisory - Juli 2019 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2019-2776 since 12/14/2018. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

See VDB-137972, VDB-137963, VDB-137964 and VDB-137965 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database

Version

• 12.1.0.2
• 12.2.0.1
• 18c
• 19c

License

• commercial

Website

• Vendor: https://www.oracle.com

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