CVE-2010-4448 in JDK
Summary
by MITRE
Unspecified vulnerability in the Java Runtime Environment (JRE) in Oracle Java SE and Java for Business 6 Update 23 and earlier, 5.0 Update 27 and earlier, and 1.4.2_29 earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect integrity via unknown vectors related to Networking. NOTE: the previous information was obtained from the February 2011 CPU. Oracle has not commented on claims from a downstream vendor that this issue involves "DNS cache poisoning by untrusted applets."
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Analysis
by VulDB Data Team • 10/17/2021
The vulnerability identified as CVE-2010-4448 represents a critical security flaw within the Java Runtime Environment that affects multiple versions of Oracle Java SE and Java for Business. This issue specifically targets the networking components of the JRE, creating potential attack vectors through untrusted Java Web Start applications and applets. The vulnerability's classification as unspecified indicates that the exact technical mechanism remains partially obscured, though the implications for system integrity are severe enough to warrant immediate attention from security professionals. The affected versions include Java 6 Update 23 and earlier, Java 5.0 Update 27 and earlier, and Java 1.4.2_29 and earlier, representing a substantial portion of legacy Java implementations that organizations continue to support in production environments.
The technical nature of this vulnerability lies within the networking subsystem of the Java Runtime Environment, where untrusted code execution can potentially manipulate or corrupt network-related operations. This flaw allows malicious actors to exploit the networking capabilities of Java applets and Web Start applications to compromise system integrity, though the precise mechanism remains unclear from the available documentation. The vulnerability's relationship to DNS cache poisoning, as noted by downstream vendors, suggests that attackers could manipulate DNS resolution behavior through malicious applets, potentially redirecting network traffic to malicious destinations. This type of attack falls under the broader category of man-in-the-middle attacks and DNS hijacking techniques that have been documented in various cybersecurity frameworks and threat intelligence reports.
The operational impact of CVE-2010-4448 extends beyond simple network disruption, as it represents a fundamental weakness in Java's security model that could enable attackers to compromise entire systems through seemingly benign web-based applications. Organizations running vulnerable Java installations face significant risk from phishing attacks, credential theft, and system compromise through the exploitation of this vulnerability. The remote nature of the attack means that users can be compromised simply by visiting malicious websites or executing untrusted Java applets, making this vulnerability particularly dangerous in enterprise environments where users frequently interact with external web content. This vulnerability directly relates to CWE-20, which addresses "Improper Input Validation," and falls within the ATT&CK framework's T1190 category for "Exploit Public-Facing Application," emphasizing the attack surface created by untrusted Java applets.
Mitigation strategies for CVE-2010-4448 should prioritize immediate patching of affected Java installations to the latest available versions, as Oracle has likely released security updates addressing this specific vulnerability. Organizations should implement strict Java security policies that disable or restrict untrusted applets and Web Start applications, particularly in environments where users access untrusted websites. Network segmentation and firewall rules should be configured to limit Java-based network communications, while security monitoring systems should be enhanced to detect suspicious DNS resolution patterns or unusual network behavior that might indicate exploitation attempts. The vulnerability's age and the availability of patches make this an ideal candidate for immediate remediation, as the risk of exploitation far outweighs the potential disruption from updating Java installations. Additionally, organizations should consider implementing application whitelisting solutions to prevent execution of unauthorized Java applications, thereby reducing the attack surface and protecting against similar vulnerabilities that may exist in legacy Java implementations.