Oracle WebCenter Sites 12.2.1.3.0 Advanced UI denial of service

Summaryinfo

A vulnerability identified as critical has been detected in Oracle WebCenter Sites 12.2.1.3.0. This affects an unknown part of the component Advanced UI. This manipulation causes denial of service. This vulnerability appears as CVE-2020-2538. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Oracle WebCenter Sites 12.2.1.3.0 (Content Management System). Affected by this vulnerability is some unknown functionality of the component Advanced UI. 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 Oracle WebCenter Sites product of Oracle Fusion Middleware (component: Advanced UI). The supported version that is affected is 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebCenter Sites accessible data as well as unauthorized read access to a subset of Oracle WebCenter Sites accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebCenter Sites. CVSS 3.0 Base Score 7.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).

The weakness was presented 01/15/2020 as Oracle Critical Patch Update Advisory - January 2020 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2020-2538. 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. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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

See VDB-149016, VDB-149015, VDB-149014 and VDB-149013 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Oracle

Name

• WebCenter Sites

Version

• 12.2.1.3.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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