CVE-2008-1312 in pt360 Tool Suite
Summary
by MITRE
Unspecified vulnerability in the TFTP server in PacketTrap Networks pt360 Tool Suite 1.1.33.1.0, and other versions before 2.0.3900.0, allows remote attackers to cause a denial of service (daemon crash) via a long TFTP packet, a different vulnerability than CVE-2008-1311.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/07/2019
The vulnerability identified as CVE-2008-1312 represents a critical denial of service weakness within the TFTP server component of PacketTrap Networks pt360 Tool Suite. This issue affects versions prior to 2.0.3900.0 and demonstrates how network services can be exploited through malformed packet structures to disrupt system availability. The vulnerability specifically targets the TFTP daemon implementation, which is responsible for handling file transfer operations using the Trivial File Transfer Protocol. TFTP servers are commonly deployed in network management and monitoring environments where automated file transfers occur between network devices and management stations. The flaw manifests when the TFTP server receives a specially crafted TFTP packet containing excessive data or malformed packet structures that exceed expected buffer sizes or processing limits within the server implementation.
The technical nature of this vulnerability falls under the category of buffer overflows or excessive input handling within network protocol implementations. While not explicitly classified as a traditional buffer overflow, the mechanism involves the server's inability to properly handle oversized or malformed TFTP packets, leading to daemon crashes and service disruption. The vulnerability is distinct from CVE-2008-1311, indicating separate attack vectors or implementation flaws within the same software component. This type of vulnerability directly impacts the availability aspect of the CIA triad and represents a classic example of improper input validation in network services. The attack vector requires remote execution capabilities, meaning adversaries can exploit this weakness without physical access to the target system, making it particularly dangerous in networked environments where TFTP servers are exposed to untrusted networks.
The operational impact of CVE-2008-1312 extends beyond simple service disruption to potentially compromise network management operations and monitoring capabilities. In environments where PacketTrap networks are used for network infrastructure management, TFTP server failures can lead to complete loss of network visibility and management functions, as TFTP is frequently used for firmware updates, configuration file transfers, and network device management. The daemon crash effect means that legitimate network operations relying on TFTP services will be immediately disrupted, requiring manual intervention to restart services and potentially causing extended downtime. This vulnerability particularly affects enterprise networks where automated network management systems depend on reliable TFTP services for maintaining device configurations and performing routine maintenance operations.
Mitigation strategies for CVE-2008-1312 should focus on both immediate remediation and long-term architectural improvements. The primary solution involves upgrading to PacketTrap Networks pt360 Tool Suite version 2.0.3900.0 or later, which contains patches addressing the TFTP packet handling issues. Network administrators should also implement network segmentation to limit exposure of TFTP servers to untrusted networks and consider disabling TFTP services when not actively required. Additional protective measures include implementing network monitoring to detect anomalous TFTP traffic patterns and establishing robust service monitoring to quickly identify daemon crashes. From a defensive perspective, this vulnerability aligns with ATT&CK technique T1499.004 for network denial of service and CWE-121 for stack-based buffer overflow conditions, though the specific implementation requires careful analysis of the TFTP protocol handling code. Organizations should also consider implementing intrusion detection systems that can identify and alert on suspicious TFTP packet structures that may indicate exploitation attempts.