CVE-2007-1307 in ThinkPad
Summary
by MITRE
Unspecified vulnerability in Lenovo Intel PRO/1000 LAN adapter before Build 135400, as used on IBM Lenovo ThinkPad systems, has unknown impact and attack vectors.
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Analysis
by VulDB Data Team • 08/26/2018
The vulnerability identified as CVE-2007-1307 represents a critical security gap in Lenovo's Intel PRO/1000 LAN adapter firmware that affected numerous IBM Lenovo ThinkPad systems. This unspecified vulnerability emerged within the network adapter's firmware implementation prior to build 135400, creating a potential attack surface that could be exploited by malicious actors targeting enterprise and consumer devices. The issue specifically impacts the network interface controller's firmware stack, which governs how the adapter handles network traffic and system interactions, making it a significant concern for organizations relying on these devices for business operations.
The technical nature of this vulnerability stems from insufficient input validation and potential buffer handling issues within the firmware's network processing routines. While the exact flaw remains unspecified, such vulnerabilities in network adapter firmware typically involve improper handling of network packets, memory corruption scenarios, or privilege escalation opportunities that could allow attackers to gain unauthorized access to system resources. The vulnerability's classification as unspecified suggests that the precise technical mechanism enabling exploitation was either not fully disclosed at the time of reporting or that the flaw manifests in multiple ways across different system configurations. This type of vulnerability aligns with common weaknesses documented in CWE-125, which addresses out-of-bounds read conditions, and CWE-787, which covers out-of-bounds write operations that can occur in firmware implementations.
The operational impact of CVE-2007-1307 extends beyond simple network connectivity issues, potentially enabling attackers to compromise entire systems through network-based attacks. Given that ThinkPad systems were widely deployed in enterprise environments, this vulnerability could have facilitated unauthorized access to corporate networks, data exfiltration, or system compromise through lateral movement. The attack vectors for such vulnerabilities typically involve network-based exploitation where malicious actors send crafted network packets to the vulnerable adapter, potentially triggering memory corruption or privilege escalation conditions. The unspecified nature of both the impact and attack vectors suggests that this vulnerability could have been leveraged in multiple ways, including but not limited to remote code execution, denial of service conditions, or privilege escalation attacks that could allow attackers to execute malicious code with elevated system privileges.
Organizations affected by this vulnerability should have implemented immediate firmware updates to address the unspecified security gap in their Lenovo ThinkPad systems. The remediation process required system administrators to identify affected devices running firmware versions prior to build 135400 and apply the appropriate firmware patches provided by Lenovo. This vulnerability highlights the importance of firmware security management and regular update procedures for network infrastructure components. From an ATT&CK framework perspective, this vulnerability would map to techniques involving privilege escalation and execution through network-based attacks, potentially enabling adversaries to establish persistent access through the compromised network interface. The vulnerability also underscores the need for comprehensive supply chain security measures, as firmware-level exploits can bypass traditional operating system security controls and provide attackers with direct access to underlying hardware components. Organizations should have implemented network monitoring to detect anomalous traffic patterns that might indicate exploitation attempts and established procedures for firmware security assessments to prevent similar vulnerabilities from emerging in future deployments.