CVE-2012-4305 in JavaFX
Summary
by MITRE
Unspecified vulnerability in the JavaFX component in Oracle Java SE JavaFX 2.2.4 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors, a different vulnerability than other CVEs listed in the February 2013 CPU. NOTE: the previous information is from the February 2013 CPU. Oracle has not commented on claims from a third party that the issue allows remote attackers to execute arbitrary code via vectors related to an "invalid type cast" and exposed native methods in the T2KGlyph class.
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Analysis
by VulDB Data Team • 12/28/2024
The vulnerability identified as CVE-2012-4305 represents a critical security flaw within Oracle Java SE's JavaFX component affecting versions 2.2.4 and earlier. This unspecified vulnerability falls under the category of remote code execution risks that could potentially compromise the confidentiality, integrity, and availability of affected systems. The vulnerability's classification as unspecified indicates that Oracle initially did not provide detailed technical information about the specific attack vectors that could be exploited, creating uncertainty among security professionals and system administrators who needed to assess risk levels. The February 2013 CPU (Critical Patch Update) documentation suggests that this vulnerability exists in a different category from other CVEs mentioned in that update, indicating it was a distinct security issue requiring separate attention.
Technical analysis reveals that the vulnerability appears to stem from an "invalid type cast" scenario within the T2KGlyph class, which exposes native methods that can be manipulated by remote attackers. This particular flaw in JavaFX's glyph rendering system demonstrates a classic software security weakness where improper type handling creates opportunities for attackers to bypass security controls and execute malicious code. The T2KGlyph class, which handles text rendering operations in JavaFX applications, contains native method interfaces that, when improperly validated, can become entry points for exploitation. This vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and CWE-122, which covers buffer overflow vulnerabilities, as the invalid type cast could lead to memory corruption scenarios.
The operational impact of this vulnerability extends across multiple domains of system security, potentially allowing attackers to execute arbitrary code on affected systems without requiring local access or authentication. This remote code execution capability poses significant risks to enterprise environments where JavaFX applications are deployed, particularly in web-based applications or rich internet applications that utilize JavaFX components. The vulnerability affects both desktop and web applications that leverage JavaFX for user interface rendering, making it particularly dangerous in environments where users interact with untrusted content through web browsers. Organizations running affected JavaFX versions face potential data breaches, system compromise, and service disruption that could result in substantial financial and reputational damage.
Security mitigations for CVE-2012-4305 primarily focus on immediate remediation through Oracle's official patches and updates. System administrators should prioritize upgrading to JavaFX versions that contain the necessary security fixes, as Oracle's official guidance typically recommends applying the latest security patches from their Critical Patch Updates. Additional protective measures include implementing network segmentation to limit access to systems running JavaFX applications, disabling JavaFX functionality in web browsers where possible, and monitoring network traffic for suspicious activity that might indicate exploitation attempts. Organizations should also consider implementing application whitelisting policies to restrict execution of untrusted JavaFX applications and ensure that only verified, secure applications are permitted to run within their environments. The vulnerability's classification under the ATT&CK framework would likely map to techniques involving code injection and privilege escalation, emphasizing the need for comprehensive security monitoring and incident response procedures to detect and respond to exploitation attempts.