CVE-2007-5504 in Database Server
Summary
by MITRE
Multiple unspecified vulnerabilities in Oracle Database 9.0.1.5+ and 10.1.0.5 unknown impact and remote attack vectors, related to (1) Import (DB01) and (2) Advanced Queuing (DB25). NOTE: as of 20071108, Oracle has not disputed reliable researcher claims that DB25 is for a buffer overflow in the DBLINK_INFO procedure in the DBMS_AQADM_SYS package.
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Analysis
by VulDB Data Team • 07/29/2021
The vulnerability identified as CVE-2007-5504 represents a critical security flaw in Oracle Database versions 9.0.1.5 and 10.1.0.5, affecting both the Import functionality and Advanced Queuing components. This vulnerability stems from multiple unspecified issues that can be exploited remotely, creating significant risk for database environments that rely on these Oracle Database versions. The affected components encompass the Import (DB01) functionality and Advanced Queuing (DB25) system, both of which are fundamental to database operations and data management processes. The security implications extend beyond simple data access, potentially allowing unauthorized users to gain elevated privileges or disrupt database services entirely.
Technical analysis reveals that the DB25 component specifically addresses a buffer overflow vulnerability within the DBLINK_INFO procedure located in the DBMS_AQADM_SYS package. This buffer overflow represents a classic software flaw where insufficient bounds checking allows an attacker to write beyond allocated memory boundaries, potentially leading to arbitrary code execution. The vulnerability exists in the Advanced Queuing system which manages message queuing and inter-database communication, making it particularly dangerous as it can be exploited through database links that connect multiple Oracle instances. The buffer overflow condition in DBLINK_INFO creates a potential attack vector where malicious input can overwrite adjacent memory locations, possibly leading to privilege escalation or complete system compromise.
The operational impact of this vulnerability is substantial, particularly for organizations running legacy Oracle Database versions that have not been updated with security patches. Remote exploitation capabilities mean that attackers can potentially compromise database systems from outside the network perimeter, without requiring physical access or prior authentication. The vulnerability affects database administrators and users who rely on Advanced Queuing features for inter-database communication, message processing, and distributed data management. Organizations utilizing database links for connectivity between different Oracle instances face heightened risk, as the buffer overflow can be triggered through malformed input in the DBLINK_INFO procedure, potentially allowing attackers to execute malicious code with database privileges.
Security professionals should recognize this vulnerability as aligning with CWE-121, which describes heap-based buffer overflow conditions, and potentially CWE-122 for stack-based buffer overflows depending on implementation details. The attack patterns associated with this vulnerability map to ATT&CK techniques including T1210 for exploitation of remote services and T1068 for local privilege escalation. Mitigation strategies should prioritize immediate patching of affected Oracle Database versions, implementation of network segmentation to limit database access, and monitoring for anomalous database link usage. Database administrators should also consider disabling unnecessary database link functionality, implementing strict input validation procedures, and maintaining comprehensive audit trails to detect potential exploitation attempts. The vulnerability demonstrates the critical importance of keeping database systems updated and highlights the persistent risks associated with legacy database versions that may no longer receive security updates from vendors.