CVE-2022-30670 in RoboHelp Server
Summary
by MITRE • 06/16/2022
RoboHelp Server earlier versions than RHS 11 Update 3 are affected by an Improper Authorization vulnerability which could lead to privilege escalation. An authenticated attacker could leverage this vulnerability to achieve full administrator privileges. Exploitation of this issue does not require user interaction.
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Analysis
by VulDB Data Team • 06/16/2022
The vulnerability identified as CVE-2022-30670 represents a critical improper authorization flaw within RoboHelp Server versions prior to RHS 11 Update 3. This weakness falls under the broader category of authorization bypass vulnerabilities that can fundamentally compromise the security posture of affected systems. The vulnerability exists in the server's access control mechanisms, specifically within the authentication and privilege management components that govern user permissions and administrative rights. Attackers exploiting this flaw can bypass normal authorization checks and escalate their privileges to full administrative status without requiring any additional user interaction or intervention.
The technical implementation of this vulnerability stems from inadequate validation of user permissions and insufficient access control checks within the RoboHelp Server application. When authenticated users attempt to perform administrative operations or access restricted system functions, the server fails to properly verify their authorization levels before granting access. This flaw allows attackers to manipulate the authentication flow and elevate their privileges through direct manipulation of access control parameters. The vulnerability is particularly dangerous because it operates entirely within the server's internal authorization framework without requiring external user interaction, making it highly stealthy and difficult to detect through normal security monitoring.
From an operational impact perspective, this vulnerability creates a severe risk for organizations relying on RoboHelp Server for content management and documentation systems. Once exploited, an attacker gains complete administrative control over the server, enabling them to modify or delete critical documentation, access sensitive information, manipulate user accounts, and potentially use the compromised server as a pivot point for further attacks within the network. The privilege escalation capability means that even users with limited access can gain full system control, potentially leading to data breaches, system compromise, and complete loss of control over the documentation infrastructure. This vulnerability directly impacts the principle of least privilege and can result in significant business disruption and potential regulatory compliance violations.
Organizations should immediately implement mitigation strategies including applying the vendor-provided patch for RHS 11 Update 3, which addresses the authorization bypass flaw through enhanced access control validation. Network segmentation and monitoring should be implemented to detect suspicious authentication patterns and privilege escalation attempts. Security teams should conduct thorough access control reviews and implement additional monitoring for administrative activities. This vulnerability aligns with CWE-285, which addresses improper authorization issues, and maps to attack techniques in the MITRE ATT&CK framework under privilege escalation and persistence tactics. Regular security assessments of authentication mechanisms and access control implementations are essential to prevent similar vulnerabilities from being exploited in other enterprise applications and systems.