CVE-2021-2173 PoC — Oracle Database Server 输入验证错误漏洞

Source

https://github.com/emad-almousa/CVE-2021-2173

Associated Vulnerability

Title:Oracle Database Server 输入验证错误漏洞 (CVE-2021-2173)
Description:Vulnerability in the Recovery component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having DBA Level Account privilege with network access via Oracle Net to compromise Recovery. While the vulnerability is in Recovery, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Recovery accessible data. CVSS 3.1 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N).

Description

CVE-2021-2173

Readme

# CVE-2021-2173
CVE-2021-2173

PoC is explained here: https://databasesecurityninja.wordpress.com/2021/06/04/cve-2021-2173-pdb-isolation-is-broken-through-metadata-exposure/

Oracle Critical Patch Update Advisory - April 2021: https://www.oracle.com/security-alerts/cpuapr2021.html

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