Oracle Unified Directory 11.1.2.3.0/12.2.1.3.0/12.2.1.4.0 Security denial of service

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle Unified Directory 11.1.2.3.0/12.2.1.3.0/12.2.1.4.0. This affects an unknown part of the component Security. The manipulation results in denial of service. This vulnerability is reported as CVE-2020-14565. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Oracle Unified Directory 11.1.2.3.0/12.2.1.3.0/12.2.1.4.0 (Directory Service Software). Affected is an unknown functionality of the component Security. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on integrity, and availability. CVE summarizes:

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: Security). Supported versions that are affected are 11.1.2.3.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Unified Directory. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Unified Directory, 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 Unified Directory accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Unified Directory. CVSS 3.1 Base Score 8.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H).

The weakness was disclosed 07/15/2020 as Oracle Critical Patch Update Advisory - July 2020 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2020-14565. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

The entries VDB-158073, VDB-158074, VDB-158075 and VDB-158076 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Directory Service Software

Vendor

• Oracle

Name

• Unified Directory

Version

• 11.1.2.3.0
• 12.2.1.3.0
• 12.2.1.4.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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Once again VulDB remains the best source for vulnerability data.

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