CVE-2018-7055 in RoomWizard
Summary
by MITRE
GroupViewProxyServlet in RoomWizard before 4.4.x allows SSRF via the url parameter.
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Analysis
by VulDB Data Team • 01/06/2020
The vulnerability identified as CVE-2018-7055 affects the GroupViewProxyServlet component within RoomWizard software versions prior to 4.4.x, presenting a significant server-side request forgery threat that can be exploited by malicious actors to bypass security controls and access internal network resources. This flaw resides in the servlet's handling of the url parameter, which fails to properly validate or sanitize user-supplied input before processing requests. The vulnerability operates by allowing attackers to manipulate the url parameter to redirect requests to internal systems that would normally be inaccessible from external networks, effectively breaking down network segmentation boundaries.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the GroupViewProxyServlet, which processes external requests and forwards them to designated endpoints. When the url parameter is not properly validated, it creates an opportunity for attackers to inject malicious URLs that point to internal services or resources. This type of flaw directly maps to CWE-918, which specifically addresses server-side request forgery vulnerabilities where applications fail to properly validate or sanitize user-supplied URLs or URI references. The vulnerability enables attackers to potentially access internal systems, databases, or services that are normally protected by firewalls or network security controls, as the application acts as an unwitting proxy for malicious requests.
From an operational impact perspective, this vulnerability poses severe risks to organizations utilizing RoomWizard software, as it can be exploited to gain unauthorized access to internal network resources, potentially leading to data breaches, system compromise, or further lateral movement within the network. Attackers can leverage this vulnerability to probe internal systems, scan for additional vulnerabilities, or access sensitive data stored on internal servers. The exploitation typically requires minimal technical skill and can be automated, making it particularly dangerous in environments where RoomWizard is deployed across multiple locations or integrated with other systems. This vulnerability can also facilitate more sophisticated attacks such as credential harvesting, privilege escalation, or the establishment of persistent access points within the network infrastructure.
Organizations should implement immediate mitigations including updating to RoomWizard version 4.4.x or later, which contains the necessary patches to address this vulnerability. Additionally, network segmentation controls should be enforced to limit access to internal systems, and proper input validation should be implemented at all application layers to prevent similar vulnerabilities from occurring in other components. The implementation of web application firewalls and security monitoring systems can help detect and prevent exploitation attempts. From a security framework perspective, this vulnerability aligns with ATT&CK technique T1071.004, which describes application layer protocol manipulation, and T1566, which covers credential access through various attack vectors. Organizations should also consider implementing principle of least privilege access controls and regular security assessments to identify and remediate similar vulnerabilities in other software components.