CVE-2024-11047 in DI-8003
Summary
by MITRE • 11/10/2024
A vulnerability was found in D-Link DI-8003 16.07.16A1. It has been declared as critical. Affected by this vulnerability is the function upgrade_filter_asp of the file /upgrade_filter.asp. The manipulation of the argument path leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 11/10/2024
The vulnerability identified as CVE-2024-11047 represents a critical stack-based buffer overflow flaw within the D-Link DI-8003 router firmware version 16.07.16A1. This security weakness resides in the upgrade_filter_asp function located within the /upgrade_filter.asp file, which serves as a critical component in the device's firmware update mechanism. The vulnerability stems from inadequate input validation when processing the path argument, creating an exploitable condition that allows attackers to manipulate memory layout through carefully crafted inputs. The stack-based nature of this buffer overflow means that malicious input can overwrite adjacent memory locations on the program stack, potentially leading to arbitrary code execution or system crashes.
The attack vector for this vulnerability is particularly concerning as it can be executed remotely without requiring physical access to the device or authentication credentials. This remote exploit capability significantly broadens the attack surface and makes the vulnerability especially dangerous in networked environments where routers serve as primary gateways. The public disclosure of exploit details further compounds the risk, as malicious actors can immediately leverage this knowledge to target vulnerable D-Link DI-8003 devices across networks. The flaw specifically targets the firmware upgrade process, which is a critical administrative function that should be protected from unauthorized manipulation. When exploited, this vulnerability can enable attackers to gain elevated privileges on the device, potentially allowing them to modify firmware, install malicious software, or establish persistent access points within the network.
From a technical perspective, this vulnerability aligns with CWE-121 Stack-based Buffer Overflow, which is classified as a fundamental memory safety issue in software development. The flaw demonstrates poor input validation practices in web application code, particularly in the context of network device management interfaces. The ATT&CK framework categorizes this vulnerability under T1059 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation, as it allows attackers to execute commands and escalate their privileges through the compromised device. The impact extends beyond individual device compromise, as routers serve as network infrastructure components that can provide attackers with access to entire internal networks. This vulnerability also falls under the category of T1547 Boot or Logon Autostart Execution, as successful exploitation could enable persistent access through modified firmware or installed backdoors.
Organizations should prioritize immediate remediation through firmware updates provided by D-Link, as the vendor has likely released patches addressing this specific vulnerability. Network segmentation should be implemented to isolate critical devices from less secure network segments, while continuous monitoring for exploitation attempts should be enabled through intrusion detection systems. Security teams should conduct comprehensive vulnerability assessments to identify other potentially vulnerable network devices running similar firmware versions. The remediation process should include network-wide scanning to detect all instances of the affected D-Link DI-8003 routers, followed by coordinated firmware updates. Additionally, implementing network access controls and firewall rules that restrict remote administrative access to these devices can serve as effective mitigation strategies until full patch deployment is achieved. The vulnerability serves as a reminder of the importance of secure coding practices and regular firmware updates in network infrastructure devices.