CVE-2023-41119 : Exploit Details and Defense Strategies
Discover the impact and mitigation strategies for CVE-2023-41119, a vulnerability in EPAS versions prior to 11.21.32, allowing privilege escalation to superuser.
An issue was discovered in EnterpriseDB Postgres Advanced Server (EPAS) that may allow for privilege escalation to superuser through a specific function.
Understanding CVE-2023-41119
This CVE identifies a vulnerability in EPAS versions before 11.21.32, 12.x before 12.16.20, 13.x before 13.12.16, 14.x before 14.9.0, and 15.x before 15.4.0, which could be exploited to elevate a user's privileges to superuser.
What is CVE-2023-41119?
CVE-2023-41119 discloses a security flaw in EPAS that allows an attacker to access a table as a superuser by exploiting the function _dbms_aq_move_to_exception_queue.
The Impact of CVE-2023-41119
This vulnerability poses a high risk as it enables unauthorized users to escalate their privileges to superuser, potentially leading to unauthorized data access, modification, or deletion.
Technical Details of CVE-2023-41119
This section details the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises from the function _dbms_aq_move_to_exception_queue within EPAS, which permits users to access a table as superuser.
Affected Systems and Versions
EnterpriseDB Postgres Advanced Server versions before 11.21.32, 12.x before 12.16.20, 13.x before 13.12.16, 14.x before 14.9.0, and 15.x before 15.4.0 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing the function _dbms_aq_move_to_exception_queue to gain superuser privileges and manipulate tables.
Mitigation and Prevention
Protect your systems from potential exploitation with these mitigation strategies.
Immediate Steps to Take
Immediately update EPAS to versions 11.21.32, 12.16.20, 13.12.16, 14.9.0, or 15.4.0 to patch the vulnerability and prevent privilege escalation.
Long-Term Security Practices
Ensure regular security audits, access control mechanisms, and monitoring to detect and prevent unauthorized privilege escalation attempts.
Patching and Updates
Regularly apply security patches and updates provided by EnterpriseDB to safeguard against known vulnerabilities.