CVE-2013-0434 in Java
Summary
by MITRE
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, 6 through Update 38, 5.0 through Update 38, and 1.4.2_40 and earlier, and OpenJDK 6 and 7, allows remote attackers to affect confidentiality via vectors related to JAXP. NOTE: the previous information is from the February 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to the public declaration of the loadPropertyFile method in the JAXP FuncSystemProperty class, which allows remote attackers to obtain sensitive information.
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Analysis
by VulDB Data Team • 12/08/2024
The vulnerability identified as CVE-2013-0434 represents a significant security flaw within the Java Runtime Environment that affects multiple versions of Oracle Java SE and OpenJDK implementations. This issue resides within the Java API for XML Processing (JAXP) component, which serves as a fundamental part of Java's XML processing capabilities. The vulnerability allows remote attackers to potentially compromise the confidentiality of sensitive information through unspecified attack vectors related to JAXP functionality. The affected versions span across Java SE 7 through Update 11, Java SE 6 through Update 38, Java SE 5.0 through Update 38, and earlier versions of Java 1.4.2, alongside OpenJDK 6 and 7 implementations.
The technical root cause of this vulnerability appears to be connected to the loadPropertyFile method within the JAXP FuncSystemProperty class, as identified by security researchers and vendors. This method likely provides improper handling of system property files that could be exploited to access sensitive configuration data or system information. The vulnerability's classification as a confidentiality impact issue suggests that attackers can potentially extract sensitive data through crafted XML processing requests or malformed input that triggers the vulnerable code path. This flaw operates at the application level within the JRE, making it particularly dangerous as it can be exploited through network-based attacks without requiring local system access.
The operational impact of CVE-2013-0434 extends beyond simple information disclosure, as it can enable attackers to gather system configuration details, environment variables, or other sensitive information that could aid in further exploitation attempts. Attackers could potentially leverage this vulnerability to perform reconnaissance activities against Java-based applications or systems, gathering intelligence that might be used to target other vulnerabilities or establish persistence within affected environments. The widespread adoption of Java SE across enterprise applications and web services means that systems running vulnerable versions of the JRE could be at risk, particularly those that process untrusted XML data or interact with external XML sources.
Mitigation strategies for this vulnerability should include immediate patching of affected Java installations to the latest available updates from Oracle and OpenJDK vendors. Organizations should prioritize updating their Java environments, particularly those running versions that have reached end-of-life support status. Network segmentation and firewall rules can help limit exposure by restricting access to Java applications that process external XML data. Additionally, implementing proper input validation and sanitization for all XML processing operations can reduce the attack surface. This vulnerability aligns with CWE-200 (Information Exposure) and potentially CWE-470 (Use of Externally Controllable Input) categories, and could be mapped to ATT&CK techniques involving information gathering and reconnaissance activities. Security monitoring should focus on detecting unusual XML processing patterns or attempts to access system properties through JAXP interfaces.