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).
Attack Vector Network
Attack Complexity High
Privileges Required None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction Required
No CVSS v3.0
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
AV:N/AC:H/Au:N/C:P/I:P/A:P
Vendors | Products |
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Oracle |
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Configuration 1 [-]
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References
Link | Resource |
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http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.html | Exploit Third Party Advisory VDB Entry |
http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.html | Exploit Third Party Advisory VDB Entry |
http://seclists.org/fulldisclosure/2021/Dec/19 | Exploit Mailing List Third Party Advisory |
http://seclists.org/fulldisclosure/2021/Dec/20 | Exploit Mailing List Third Party Advisory |
https://www.oracle.com/security-alerts/cpuapr2022.html | Patch Vendor Advisory |
https://www.oracle.com/security-alerts/cpujan2022.html | Patch Vendor Advisory |
https://www.oracle.com/security-alerts/cpujan2023.html | Vendor Advisory |
https://www.oracle.com/security-alerts/cpujul2021.html | Patch Vendor Advisory |
https://www.oracle.com/security-alerts/cpujul2022.html | Vendor Advisory |
https://www.oracle.com/security-alerts/cpuoct2021.html | Patch Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: oracle
Published: 2021-07-20T22:43:29
Updated: 2023-10-23T18:30:20.233Z
Reserved: 2020-12-09T00:00:00
Link: CVE-2021-2351
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-07-21T15:15:21.827
Modified: 2024-02-16T18:48:45.617
Link: CVE-2021-2351
JSON object: View
Redhat Information
No data.