Advisory Details

January 22nd, 2021

Oracle Database Procedure Improper Privilege Management Privilege Escalation Vulnerability

ZDI-21-083
ZDI-CAN-12156

CVE ID CVE-2021-2054
CVSS SCORE 8.8, (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS Database
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Oracle Database. Authentication is required to exploit this vulnerability.

The specific flaw exists within the execution of stored procedures. When executing stored procedures, the process does not properly check the caller's privileges. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from users with limited privileges.

ADDITIONAL DETAILS Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/security-alerts/cpujan2021.html
DISCLOSURE TIMELINE
  • 2020-12-18 - Vulnerability reported to vendor
  • 2021-01-22 - Coordinated public release of advisory
CREDIT Emad Al-Mousa
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