Oracle Database Server 12.1.0.2/12.2.0.1/19c Advanced Networking Option risky encryption

Summaryinfo

A vulnerability, which was classified as critical, was found in Oracle Database Server 12.1.0.2/12.2.0.1/19c. The impacted element is an unknown function of the component Advanced Networking Option. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2021-2351. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle Database Server 12.1.0.2/12.2.0.1/19c (Database Software). Affected by this issue is some unknown functionality of the component Advanced Networking Option. Using CWE to declare the problem leads to CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Advanced Networking Option, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Advanced Networking Option. Note: The July 2021 Critical Patch Update introduces a number of Native Network Encryption changes to deal with vulnerability CVE-2021-2351 and prevent the use of weaker ciphers. Customers should review: "Changes in Native Network Encryption with the July 2021 Critical Patch Update" (Doc ID 2791571.1). CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

The weakness was disclosed 07/20/2021 as Oracle Critical Patch Update Advisory - July 2021. The advisory is available at oracle.com. This vulnerability is handled as CVE-2021-2351. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database Server

Version

• 12.1.0.2
• 12.2.0.1
• 19c

License

• commercial

Website

• Vendor: https://www.oracle.com

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