Oracle Database 11.2.0.4/12.1.0.2/12.2.0.1/18c Text access control

Summaryinfo

A vulnerability identified as critical has been detected in Oracle Database 11.2.0.4/12.1.0.2/12.2.0.1/18c. This issue affects some unknown processing of the component Text. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2019-2753. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Database 11.2.0.4/12.1.0.2/12.2.0.1/18c (Database Software) and classified as critical. This issue affects some unknown functionality of the component Text. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, and availability. The summary by CVE is:

Vulnerability in the Oracle Text component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1 and 18c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via OracleNet to compromise Oracle Text. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Text accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Text. CVSS 3.0 Base Score 4.6 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L).

The weakness was disclosed 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. The identification of this vulnerability is CVE-2019-2753 since 12/14/2018. The attack may be initiated remotely. A simple authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. 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.

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Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database

Version

• 11.2.0.4
• 12.1.0.2
• 12.2.0.1
• 18c

License

• commercial

Website

• Vendor: https://www.oracle.com

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CPE 2.2info

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