CVE-2022-2346 in Deploay
Summary
by MITRE • 08/02/2023
In affected versions of Octopus Deploy it is possible for a low privileged guest user to interact with extension endpoints.
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Analysis
by VulDB Data Team • 08/02/2023
The vulnerability identified as CVE-2022-2346 represents a significant access control flaw within Octopus Deploy software versions that allows low-privileged guest users to interact with extension endpoints. This issue stems from inadequate authorization checks that fail to properly validate user permissions before granting access to sensitive extension functionalities. The flaw exists in the authentication and authorization mechanisms that govern how different user roles interact with the system's extension capabilities, creating an unexpected pathway for unauthorized access to administrative and operational functions.
This vulnerability operates at the intersection of weak access control implementation and insufficient privilege validation within the Octopus Deploy platform. The technical flaw manifests when guest users, who typically possess minimal permissions, are able to invoke extension endpoints that should be restricted to higher-privileged roles such as administrators or power users. The underlying issue likely involves improper role-based access control (RBAC) enforcement where the system fails to adequately verify user credentials against the appropriate permission levels before executing extension-related operations. Such a flaw directly contravenes the principle of least privilege and can be categorized under CWE-285 which addresses improper authorization in software systems.
The operational impact of this vulnerability extends beyond simple unauthorized access, potentially enabling guest users to manipulate deployment processes, access sensitive configuration data, or interfere with system operations that should remain restricted. Attackers could leverage this weakness to escalate privileges, gain insights into system architecture, or disrupt deployment workflows that are critical to the organization's DevOps operations. The implications are particularly concerning in environments where Octopus Deploy manages critical infrastructure deployments, as guest users might inadvertently or maliciously compromise deployment integrity or access restricted system resources.
Mitigation strategies for CVE-2022-2346 should focus on implementing robust access control measures that properly enforce user role validation before granting extension endpoint access. Organizations should immediately apply available patches or updates from Octopus Deploy that address the authorization flaw. Additionally, security teams should conduct comprehensive audits of user permissions and extension endpoint access controls to ensure that guest users cannot access restricted functionality. Network segmentation and monitoring of extension endpoint usage can provide additional layers of defense. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation, as it allows unauthorized access through legitimate user accounts that should not have access to extension capabilities. Regular security assessments and proper configuration management are essential to prevent similar issues in the future, particularly focusing on implementing proper RBAC mechanisms and ensuring that all system endpoints properly validate user privileges before executing sensitive operations.