CVE-2023-48263 in Nexo Cordless Nutrunner
Summary
by MITRE • 01/10/2024
The vulnerability allows an unauthenticated remote attacker to perform a Denial-of-Service (DoS) attack or, possibly, obtain Remote Code Execution (RCE) via a crafted network request.
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Analysis
by VulDB Data Team • 01/28/2024
The vulnerability identified as CVE-2023-48263 represents a critical security flaw that exposes systems to remote exploitation without requiring authentication credentials from attackers. This weakness enables unauthorized individuals to launch devastating denial-of-service attacks or potentially achieve remote code execution through carefully constructed network traffic. The absence of authentication requirements significantly lowers the barrier for exploitation, making this vulnerability particularly dangerous in production environments where systems may be directly accessible from the internet.
The technical nature of this vulnerability stems from improper input validation or handling of network requests within the affected software or system. Attackers can craft malicious payloads that, when processed by the vulnerable system, trigger unexpected behavior leading to system instability or complete compromise. The dual threat of denial-of-service and potential remote code execution indicates that the flaw likely exists in a core processing component that handles external communications or data parsing functions. This type of vulnerability often manifests when systems fail to properly sanitize or validate incoming network data before processing it, creating pathways for attackers to manipulate system behavior through crafted inputs.
From an operational perspective, the impact of CVE-2023-48263 extends beyond simple service disruption to potentially allow full system compromise. Organizations running affected systems face immediate risks including complete service outages that can result in significant financial losses and reputational damage. The potential for remote code execution means attackers could gain complete control over affected systems, potentially using them as launch points for further attacks within network infrastructure. This vulnerability particularly affects environments where systems are exposed to untrusted networks or where network segmentation is insufficient to isolate vulnerable components.
Security professionals should prioritize immediate assessment of systems and applications that may be vulnerable to this flaw, particularly those handling network communications or processing external data inputs. The vulnerability aligns with common weakness enumerations such as CWE-400, which covers "Uncontrolled Resource Consumption," and CWE-121, addressing "Stack-based Buffer Overflow" scenarios that could potentially lead to execution control. Mitigation strategies should include implementing network-level restrictions through firewalls and access control lists to limit exposure, applying vendor-provided patches or updates as soon as they become available, and monitoring network traffic for suspicious patterns that may indicate exploitation attempts. Organizations should also consider implementing intrusion detection systems to identify and alert on potentially malicious network requests that match the characteristics of this vulnerability.
The ATT&CK framework categorizes this vulnerability under multiple techniques including T1498 for network denial of service and potentially T1059 for command and script injection if remote code execution is achieved. The lack of authentication requirements places this vulnerability in the category of techniques that can be executed with minimal initial access, making it particularly attractive to threat actors. System administrators should conduct comprehensive vulnerability scans to identify all instances of the vulnerable software across their infrastructure and establish incident response procedures specifically tailored to address potential exploitation attempts. Regular security assessments and penetration testing should be implemented to verify that mitigations are effective and to identify any additional related vulnerabilities that may exist within the same system components.