CVE-2006-5343 in Database Server
Summary
by MITRE
Unspecified vulnerability in Database Scheduler component in Oracle Database 10.1.0.3 has unknown impact and remote authenticated attack vectors related to sys.dbms_scheduler, aka Vuln# DB19.
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Analysis
by VulDB Data Team • 04/24/2026
The vulnerability identified as CVE-2006-5343 resides within the Database Scheduler component of Oracle Database version 10.1.0.3, representing a critical security weakness that affects the enterprise database management system. This flaw specifically impacts the sys.dbms_scheduler package, which serves as a crucial interface for managing database jobs and scheduled tasks within the Oracle environment. The vulnerability's classification as unspecified indicates that the exact nature of the security flaw was not fully disclosed in the initial reporting, though it is known to involve authenticated remote attack vectors that could potentially compromise database operations.
The technical implementation of this vulnerability stems from insufficient validation and access controls within the sys.dbms_scheduler package functionality. When database users authenticate to the system with appropriate privileges, they may exploit this weakness to manipulate scheduled jobs or gain unauthorized access to database resources. The Database Scheduler component is designed to allow database administrators to schedule and manage automated tasks, but this particular flaw creates an attack surface that enables malicious actors with valid credentials to escalate their privileges or disrupt database operations. This vulnerability directly relates to CWE-284, which addresses improper access control issues, and represents a classic example of privilege escalation through flawed security controls.
The operational impact of CVE-2006-5343 extends beyond simple data compromise, as it can enable attackers to manipulate critical database scheduling operations that may include backup processes, maintenance tasks, or automated data processing jobs. An attacker with authenticated access could potentially modify existing scheduled jobs to execute malicious code, disrupt business-critical operations, or establish persistent access points within the database environment. The remote authenticated attack vector means that the vulnerability can be exploited over network connections without requiring physical access to the database server, making it particularly dangerous in enterprise environments where database systems are accessible over networks. This weakness could facilitate data exfiltration, system disruption, or provide a foothold for further attacks within the organization's infrastructure.
Mitigation strategies for this vulnerability require immediate implementation of Oracle's security patches and updates, as the flaw represents a known security weakness that was addressed through official database updates. Database administrators should ensure that all instances of Oracle Database 10.1.0.3 are updated to the latest patch levels that include fixes for the Database Scheduler component. Additionally, implementing strict access controls and monitoring of sys.dbms_scheduler package usage can help detect and prevent unauthorized manipulation of scheduled jobs. Organizations should also consider implementing network segmentation to limit access to database systems, employ principle of least privilege for database accounts, and regularly audit scheduled job configurations to identify any suspicious modifications. The vulnerability's classification under ATT&CK matrix category T1078 for valid accounts and T1059 for command and scripting interpreters highlights the need for comprehensive security monitoring and access control measures to prevent exploitation of authenticated attack vectors.