CVE-2014-2947 in Business Process Management Suite
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Login.aspx in Bizagi BPM Suite before 10.3 allows remote attackers to inject arbitrary web script or HTML via the txtUsername parameter.
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Analysis
by VulDB Data Team • 08/21/2024
The CVE-2014-2947 vulnerability represents a critical cross-site scripting flaw in the Bizagi BPM Suite authentication module, specifically within the Login.aspx page. This vulnerability exists in versions prior to 10.3 and exposes organizations to significant security risks through the improper handling of user input parameters. The flaw manifests when the application fails to adequately sanitize or validate the txtUsername parameter, allowing malicious actors to inject arbitrary web scripts or HTML content directly into the authentication interface. The vulnerability stems from the application's lack of proper input validation mechanisms that should normally filter or escape special characters entered by users during the login process. This oversight creates a persistent threat vector that can be exploited by remote attackers without requiring any privileged access or authentication credentials.
The technical exploitation of this vulnerability occurs through the manipulation of the txtUsername parameter within the Login.aspx page, where attackers can embed malicious scripts that execute in the context of authenticated users' browsers. When a victim navigates to the vulnerable page and enters crafted input containing malicious code within the username field, the application processes this input without proper sanitization, leading to the execution of unauthorized scripts in the victim's browser session. This behavior aligns with CWE-79, which classifies cross-site scripting vulnerabilities as weaknesses in input validation and output encoding. The vulnerability's impact is particularly severe because it occurs during the authentication phase, where users are already trusting the application interface, making social engineering aspects more effective. Attackers can leverage this flaw to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites, all while maintaining the appearance of legitimate application behavior.
The operational implications of CVE-2014-2947 extend beyond simple script injection, as it fundamentally undermines the security posture of organizations using Bizagi BPM Suite. The vulnerability can be exploited to compromise user sessions, leading to unauthorized access to business process management systems and potentially sensitive organizational data. Attackers can harvest session tokens and credentials, enabling persistent access to business processes, workflow management systems, and related enterprise applications that rely on Bizagi for process automation. The vulnerability also facilitates more sophisticated attacks such as credential harvesting, session hijacking, and data exfiltration, as the malicious scripts can access the victim's browser environment and interact with other application components. From an attacker perspective, this vulnerability maps to several ATT&CK techniques including initial access through web application exploitation and privilege escalation via session manipulation, making it a valuable entry point for comprehensive attack campaigns.
Organizations should implement multiple layers of mitigation strategies to address this vulnerability, beginning with immediate patching of affected Bizagi BPM Suite installations to version 10.3 or later. The remediation process must include comprehensive input validation and output encoding mechanisms that sanitize all user-provided data before processing, particularly focusing on authentication parameters and form inputs. Security teams should deploy web application firewalls that can detect and block malicious payloads targeting XSS vulnerabilities, while also implementing proper content security policies to prevent script execution in browser environments. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, with particular attention to authentication mechanisms and user input handling processes. Organizations must also establish incident response procedures specifically designed to handle XSS-related security events and ensure that all users are educated about recognizing potential social engineering attempts that may exploit this vulnerability. The remediation approach should follow industry best practices for secure coding and application hardening, with ongoing monitoring and threat hunting activities to detect potential exploitation attempts.