CVE-2007-5546 in Smart Pgm Fx
Summary
by MITRE
Multiple stack-based buffer overflows in TIBCO SmartPGM FX allow remote attackers to execute arbitrary code or cause a denial of service (service stop and file-transfer outage) via unspecified vectors. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
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Analysis
by VulDB Data Team • 10/30/2017
The vulnerability identified as CVE-2007-5546 affects TIBCO SmartPGM FX, a protocol designed for high-performance data delivery over lossy networks. This system implements a stack-based buffer overflow flaw that exists within the SmartPGM FX implementation, creating potential entry points for malicious actors. The vulnerability resides in the protocol's handling of incoming network packets, where insufficient bounds checking allows attackers to overwrite adjacent memory locations on the stack. Such buffer overflows represent a critical class of software defects that can be exploited to gain arbitrary code execution or cause system instability. The affected TIBCO SmartPGM FX implementation processes network traffic in a manner that does not adequately validate input data length, particularly when handling packet structures that may contain oversized payload data. The security implications extend beyond simple code execution to include service availability concerns, as successful exploitation can result in complete service termination and disruption of file transfer operations. This vulnerability affects organizations relying on TIBCO SmartPGM FX for mission-critical data transmission, potentially compromising both data integrity and system availability.
The technical nature of this buffer overflow vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent stack memory locations. The flaw manifests when network packets arrive at the SmartPGM FX service with payload sizes exceeding expected parameters, causing the stack to overflow and potentially overwrite return addresses or other critical control data. Attackers can leverage this vulnerability through carefully crafted network packets that trigger the overflow condition during packet processing. The exploitation mechanism typically involves sending maliciously formatted packets that cause the application to write beyond allocated buffer boundaries, potentially allowing code execution in the context of the SmartPGM FX service process. The specific vectors remain undisclosed due to the limited information available at the time of CVE assignment, but the nature of the flaw suggests it operates through network-based packet processing rather than local system interactions. This places the vulnerability within the ATT&CK framework's T1203 category, which encompasses techniques for exploiting software vulnerabilities to gain code execution privileges.
The operational impact of CVE-2007-5546 extends to both availability and confidentiality aspects of affected systems. Organizations utilizing TIBCO SmartPGM FX may experience complete service disruption when attackers successfully exploit this vulnerability, leading to extended downtime and potential data loss during file transfer operations. The denial of service component of this vulnerability can result in cascading failures throughout network infrastructure that depends on SmartPGM FX for data delivery. Additionally, the potential for arbitrary code execution creates a serious risk for data compromise, as attackers could gain control over the SmartPGM FX service and potentially access underlying network resources. The vulnerability's impact is particularly concerning for financial services, telecommunications, and other sectors that rely on high-performance data transmission protocols for critical operations. The lack of detailed disclosure information at the time of CVE assignment indicates that organizations may have limited ability to assess their exposure or implement targeted mitigations. Network monitoring becomes crucial for detecting exploitation attempts, while system administrators must maintain awareness of any unusual network traffic patterns that might indicate active exploitation of this vulnerability.
Mitigation strategies for CVE-2007-5546 should focus on both immediate defensive measures and long-term architectural improvements. Organizations should implement network segmentation and access controls to limit exposure of SmartPGM FX services to trusted networks only, reducing the attack surface available to potential exploiters. The most effective immediate solution involves applying vendor patches or updates when available, as these would address the underlying buffer overflow conditions through proper input validation and bounds checking mechanisms. Network intrusion detection systems should be configured to monitor for anomalous packet patterns that might indicate exploitation attempts, particularly focusing on oversized payloads or malformed packet structures. System administrators should also consider implementing network access controls that restrict the types of packets accepted by SmartPGM FX services, filtering out potentially malicious traffic before it reaches the vulnerable components. Additionally, regular security assessments should be conducted to identify other potential vulnerabilities within the TIBCO SmartPGM FX implementation and surrounding network infrastructure. The vulnerability's classification as a stack-based buffer overflow suggests that memory protection mechanisms such as stack canaries or address space layout randomization might provide partial defense, though these are not comprehensive solutions. Organizations should also establish incident response procedures specifically addressing potential exploitation of this vulnerability, ensuring rapid response capabilities to minimize impact should successful attacks occur.