CVE-2012-1218 in freelancerKit
Summary
by MITRE
Multiple SQL injection vulnerabilities in freelancerKit 2.35 allow remote attackers to execute arbitrary SQL commands via unspecified vectors to the (1) notes and (2) tickets components.
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Analysis
by VulDB Data Team • 02/14/2019
The CVE-2012-1218 vulnerability represents a critical security flaw in freelancerKit version 2.35 that exposes the application to multiple SQL injection attack vectors. This vulnerability affects two distinct components within the software system namely the notes and tickets modules, creating potential entry points for malicious actors to gain unauthorized access to the underlying database infrastructure. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before incorporating it into database queries, thereby creating exploitable conditions for attackers to manipulate the application's database interactions.
The technical implementation of this vulnerability demonstrates a classic SQL injection flaw where attacker-controlled input is directly concatenated into SQL command strings without proper escaping or parameterization. When users interact with the notes and tickets components, their input data flows through the application's processing pipeline and eventually gets embedded into database queries without adequate security controls. This allows threat actors to craft malicious input sequences that can alter the intended execution flow of SQL commands, potentially enabling them to extract sensitive information, modify database records, or even execute administrative operations on the database server itself.
From an operational perspective, the impact of this vulnerability extends beyond simple data compromise to encompass potential system-wide damage and business disruption. Attackers exploiting these SQL injection flaws could gain access to confidential client information, financial records, user credentials, and other sensitive data stored within the freelancerKit database. The vulnerability's remote exploitation capability means that attackers do not require physical access to the system or network, making it particularly dangerous as it can be leveraged from anywhere on the internet. Additionally, the presence of multiple attack vectors increases the probability of successful exploitation and provides attackers with alternative pathways should one vector be blocked or patched.
Security professionals should implement comprehensive mitigation strategies that address both immediate remediation and long-term prevention of similar vulnerabilities. The primary fix involves implementing proper input validation and parameterized queries throughout the application codebase, particularly in the affected notes and tickets components. This approach aligns with established security frameworks such as CWE-89 which specifically addresses SQL injection vulnerabilities and recommends the use of prepared statements and parameterized queries as primary defense mechanisms. Organizations should also consider implementing web application firewalls to detect and block suspicious SQL injection patterns, while conducting thorough code reviews to identify and remediate similar vulnerabilities in other application components. The remediation process must include updating the freelancerKit software to a patched version that addresses these specific vulnerabilities and implementing proper database access controls to limit the potential damage from any successful exploitation attempts.