CVE-2008-1040 in Interstage Application Server Standard J
Summary
by MITRE
Buffer overflow in the Single Sign-On function in Fujitsu Interstage Application Server 8.0.0 through 8.0.3 and 9.0.0, Interstage Studio 8.0.1 and 9.0.0, and Interstage Apworks 8.0.0 allows remote attackers to execute arbitrary code via a long URI.
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Analysis
by VulDB Data Team • 11/03/2017
The vulnerability identified as CVE-2008-1040 represents a critical buffer overflow flaw within the Single Sign-On functionality of Fujitsu Interstage Application Server versions 8.0.0 through 8.0.3 and 9.0.0, alongside Interstage Studio 8.0.1 and 9.0.0, and Interstage Apworks 8.0.0. This issue arises from insufficient input validation mechanisms within the server's authentication handling processes, creating a pathway for malicious actors to exploit the system through carefully crafted malicious input. The buffer overflow occurs specifically when processing Uniform Resource Identifiers that exceed the allocated memory buffer size, allowing attackers to overwrite adjacent memory locations and potentially execute arbitrary code with the privileges of the affected application server.
The technical nature of this vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions where insufficient boundary checking allows attackers to overwrite memory and potentially control program execution flow. The flaw manifests in the Single Sign-On implementation where the application server fails to properly validate the length of incoming URI parameters before processing them within fixed-size buffers. This vulnerability falls under the broader category of memory corruption vulnerabilities that enable attackers to manipulate program execution through controlled buffer overflows. The attack vector is particularly concerning as it operates over network protocols, allowing remote exploitation without requiring local access or authentication.
The operational impact of CVE-2008-1040 extends beyond simple code execution, as successful exploitation could lead to complete system compromise and unauthorized access to sensitive data. Attackers could leverage this vulnerability to gain elevated privileges, escalate their access level, and potentially move laterally within network environments where the affected servers operate. The vulnerability affects multiple Fujitsu products within the Interstage ecosystem, amplifying the potential impact across various enterprise applications that rely on these middleware components for authentication and session management. Organizations utilizing these specific versions of Fujitsu Interstage products face significant risk of unauthorized system access, data breaches, and potential service disruption.
Mitigation strategies for this vulnerability should include immediate application of vendor-provided security patches and updates that address the buffer overflow in the Single Sign-On implementation. System administrators should implement network segmentation and access controls to limit exposure of affected systems to untrusted networks. The principle of least privilege should be enforced by restricting the permissions of the affected application server processes and implementing monitoring solutions to detect anomalous URI access patterns. Additionally, organizations should consider implementing intrusion detection systems that can identify potential exploitation attempts targeting buffer overflow vulnerabilities. Regular security assessments and vulnerability scanning should be conducted to identify similar issues within the broader application stack, as this vulnerability demonstrates the importance of proper input validation and memory management in enterprise middleware environments. The ATT&CK framework categorizes this vulnerability under the T1190 technique for Exploit Public-Facing Application, emphasizing the need for comprehensive application security hardening and network security controls to prevent exploitation of such remote code execution vulnerabilities.