CVE-2012-2769 in Extension::MobileUI
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in the topic administration page in the Extension::MobileUI extension before 1.02 for Best Practical Solutions RT 3.8.x and in Best Practical Solutions RT before 4.0.6 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/31/2018
The CVE-2012-2769 vulnerability represents a critical cross-site scripting flaw discovered in the Extension::MobileUI component of Best Practical Solutions RT software. This vulnerability affects versions prior to 1.02 in RT 3.8.x series and before 4.0.6 in the RT 4.0.x series, creating a significant security risk for organizations utilizing these versions. The flaw specifically resides within the topic administration page functionality, which serves as a critical administrative interface for managing system topics and configurations.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the MobileUI extension's administrative interface. Attackers can exploit this weakness by injecting malicious web scripts or HTML content through unspecified vectors that bypass the system's security controls. The vulnerability manifests when user-supplied data is not properly sanitized before being rendered back to authenticated users, creating an environment where malicious payloads can execute within the context of other users' browsers. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in software applications.
The operational impact of CVE-2012-2769 is substantial, as it allows remote attackers to execute arbitrary code within victim browsers without requiring authentication. This capability enables attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. The vulnerability is particularly dangerous because it affects the topic administration page, which typically requires administrative privileges, meaning that successful exploitation could provide attackers with elevated access levels within the RT system. The attack surface expands significantly as compromised administrators could potentially access sensitive ticket data, modify system configurations, or manipulate user permissions.
Organizations should prioritize immediate remediation by upgrading to RT versions 4.0.6 or later, where the MobileUI extension has been patched to properly validate and sanitize user inputs. Additionally, implementing proper input validation mechanisms and output encoding at multiple layers can provide defense-in-depth protection against similar vulnerabilities. Security teams should conduct thorough assessments of their RT installations to identify any potentially affected versions and ensure that all administrative interfaces properly implement security controls. The vulnerability also aligns with ATT&CK technique T1059.007 which covers "Command and Scripting Interpreter: JavaScript" and represents a critical weakness in web application security that requires immediate attention to prevent potential compromise of entire ticketing systems and associated user data.