CVE-2012-1543 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 is due to an invalid type cast in the JSObject class.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 12/28/2024
The vulnerability identified as CVE-2012-1543 resides within Oracle Java SE's JavaFX component, specifically affecting versions 2.2.4 and earlier. This unspecified weakness represents a critical security flaw that could potentially compromise the confidentiality, integrity, and availability of systems running affected JavaFX implementations. The vulnerability's classification as unspecified indicates that the exact technical details were not fully disclosed in the initial reporting, though subsequent analysis suggested it may be related to improper type handling within the JavaScript object integration layer. The February 2013 CPU documentation specifically notes that this represents a distinct vulnerability from other issues addressed in that release, emphasizing the need for careful isolation of security concerns within Oracle's Java ecosystem.
The technical nature of this vulnerability appears to be rooted in improper type casting mechanisms within the JSObject class, as suggested by third-party analysis. This type casting issue would likely occur when JavaFX components interact with JavaScript objects through the Java Scripting API, creating potential opportunities for attackers to manipulate object types in unexpected ways. The invalid type cast could enable attackers to bypass security restrictions or execute unintended code paths, particularly when dealing with dynamic object handling in the JavaFX runtime environment. This flaw aligns with CWE-129, which addresses improper validation of array indices and object type handling, making it particularly dangerous in environments where JavaFX applications interact with untrusted web content or external data sources.
From an operational standpoint, this vulnerability poses significant risks to organizations deploying JavaFX applications, particularly those that execute in web browsers or handle external data inputs. The remote attack vector means that malicious actors could exploit this weakness from anywhere on the network without requiring local access to the target system. The potential impact spans all three fundamental security principles: confidentiality could be compromised through data exfiltration or unauthorized access to protected information, integrity might be damaged through code injection or data manipulation, and availability could suffer from system crashes or denial of service conditions. Systems running affected JavaFX versions would be particularly vulnerable when processing web content or user inputs that could trigger the problematic type casting scenario.
Organizations should prioritize immediate remediation by upgrading to JavaFX versions that address this vulnerability, as Oracle's lack of detailed documentation makes it difficult to assess the precise risk level without proper patching. The mitigation strategy should include comprehensive testing of JavaFX applications in the updated environment to ensure compatibility and prevent regression issues. Security teams should also implement network monitoring to detect potential exploitation attempts targeting this vulnerability, particularly focusing on unusual JavaScript object interactions or type casting patterns. This vulnerability demonstrates the importance of maintaining current Java runtime environments and implementing robust patch management processes, as it represents a classic example of how integration points between different programming environments can create unexpected security weaknesses. The issue also highlights the need for thorough security analysis of component interactions, particularly in complex frameworks like JavaFX that bridge desktop and web technologies, aligning with ATT&CK technique T1211 which addresses the exploitation of software vulnerabilities in application environments.