Oracle Human Resources up to 12.2.9 Hierarchy Diagrammers denial of service

Summaryinfo

A vulnerability labeled as very critical has been found in Oracle Human Resources up to 12.2.9. Affected by this issue is some unknown functionality of the component Hierarchy Diagrammers. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2020-2586. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Oracle Human Resources up to 12.2.9. It has been declared as very critical. This vulnerability affects an unknown part of the component Hierarchy Diagrammers. 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. CVE summarizes:

Vulnerability in the Oracle Human Resources product of Oracle E-Business Suite (component: Hierarchy Diagrammers). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle Human Resources. While the vulnerability is in Oracle Human Resources, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Human Resources accessible data as well as unauthorized access to critical data or complete access to all Oracle Human Resources accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Human Resources. CVSS 3.0 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L).

The weakness was disclosed 01/15/2020 as Oracle Critical Patch Update Advisory - January 2020 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability was named CVE-2020-2586. The attack can be initiated remotely. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/16/2020). The MITRE ATT&CK project declares the attack technique as T1499.

As 0-day the estimated underground price was around $25k-$100k.

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

The entries VDB-149016, VDB-149015, VDB-149014 and VDB-149013 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Oracle

Name

• Human Resources

Version

• 12.1.1
• 12.1.2
• 12.1.3
• 12.2.3
• 12.2.4
• 12.2.5
• 12.2.6
• 12.2.7
• 12.2.8
• 12.2.9

License

• commercial

Website

• Vendor: https://www.oracle.com

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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