CVE-2006-5184 in Taskjitsu
Summary
by MITRE
SQL injection vulnerability in PKR Internet Taskjitsu before 2.0.6 allows remote attackers to execute arbitrary SQL commands via the key parameter, when the limit query parameter is set to customerid.
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Analysis
by VulDB Data Team • 04/23/2026
The vulnerability identified as CVE-2006-5184 represents a critical SQL injection flaw within PKR Internet Taskjitsu software version 2.0.5 and earlier. This security weakness resides in the application's handling of user input within database queries, specifically when processing the key parameter alongside the limit query parameter set to customerid. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter malicious SQL code submitted by unauthorized users. According to CWE-89, this corresponds to an implementation weakness where untrusted data is directly incorporated into SQL command strings without proper protection measures. The flaw enables remote attackers to manipulate database operations by injecting malicious SQL constructs through the vulnerable parameter pathways, potentially compromising the entire database infrastructure.
The technical exploitation of this vulnerability occurs when an attacker submits carefully crafted input through the key parameter while the limit query parameter is configured to customerid. This specific parameter combination creates an environment where user-supplied data directly influences the structure of SQL queries executed by the application's backend database. The attack vector leverages the application's failure to implement proper parameterized queries or input sanitization techniques, allowing malicious SQL commands to be executed with the privileges of the database user account. The vulnerability demonstrates a classic SQL injection pattern where the application's query construction process concatenates user input directly into SQL statements, creating opportunities for attackers to modify query logic and access unauthorized data. This flaw aligns with ATT&CK technique T1071.004 which describes the use of application layer protocols for command and control activities, particularly when database access is compromised.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to perform destructive operations on the affected database system. Successful exploitation could result in unauthorized data access, modification, or deletion of sensitive information stored within the Taskjitsu application's database. Attackers might also leverage this vulnerability to escalate privileges, extract database schema information, or even gain access to underlying system resources depending on the database configuration and the privileges of the database user account. The vulnerability affects organizations using Taskjitsu version 2.0.5 or earlier, potentially exposing customer data, business records, and other sensitive information that the application manages. Organizations may face regulatory compliance issues, data breach notifications, and potential legal consequences if this vulnerability is exploited successfully. The remote nature of the attack means that threat actors can exploit this vulnerability from anywhere on the internet without requiring physical access to the target network or system.
The recommended mitigation strategy involves immediate application patching to version 2.0.6 or later, which contains the necessary fixes for the SQL injection vulnerability. Organizations should also implement comprehensive input validation and sanitization measures, including the adoption of parameterized queries or prepared statements to prevent user input from being interpreted as executable SQL code. Database access controls should be reviewed and strengthened to ensure that application database accounts have the minimum required privileges necessary for operation. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense against exploitation attempts. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other applications within the organization's infrastructure. The vulnerability serves as a reminder of the critical importance of input validation and proper database query construction practices in preventing SQL injection attacks, which remain one of the most prevalent and dangerous security threats in web applications.