Oracle Database up to 19c Java VM access control

Summaryinfo

A vulnerability was found in Oracle Database 11.2.0.4/12.1.0.2/12.2.0.1/18c/19c. It has been rated as critical. This affects an unknown part of the component Java VM. Performing a manipulation results in access control. This vulnerability is known as CVE-2019-2749. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle Database 11.2.0.4/12.1.0.2/12.2.0.1/18c/19c (Database Software). This affects an unknown function of the component Java VM. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on integrity, and availability. The summary by CVE is:

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c and 19c. Difficult to exploit vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via multiple protocols to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.0 Base Score 6.8 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H).

The weakness was published 07/16/2019 as Oracle Critical Patch Update Advisory - Juli 2019 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2019-2749 since 12/14/2018. The exploitability is told to be difficult. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

Similar entries are available at VDB-137972, VDB-137963, VDB-137964 and VDB-137965. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database

Version

• 11.2.0.4
• 12.1.0.2
• 12.2.0.1
• 18c
• 19c

License

• commercial

Website

• Vendor: https://www.oracle.com

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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