CVE-2022-24906 in Deck
Summary
by MITRE • 05/20/2022
Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud, similar to Trello. The full path of the application is exposed to unauthorized users. It is recommended that the Nextcloud Deck app is upgraded to 1.2.11, 1.4.6, or 1.5.4. There is no workaround available.
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Analysis
by VulDB Data Team • 05/27/2022
The vulnerability identified as CVE-2022-24906 affects Nextcloud Deck, a Kanban-style project management application integrated within the Nextcloud ecosystem. This tool serves as a collaborative platform for task management and workflow organization, similar to Trello but hosted within the Nextcloud environment. The vulnerability manifests as improper access control where the full application path is exposed to unauthorized users, creating a significant security risk within the Nextcloud infrastructure. This exposure represents a critical flaw in the application's authorization mechanisms and could potentially allow attackers to gain unauthorized access to sensitive project management data and functionality.
The technical flaw underlying this vulnerability stems from inadequate path obfuscation and access control implementation within the Nextcloud Deck application. When users access the application without proper authentication or authorization, the system fails to properly restrict access to the full application paths, potentially exposing internal directory structures and application components. This type of vulnerability aligns with CWE-200, which addresses improper exposure of sensitive information, and represents a direct violation of the principle of least privilege in information security. The flaw allows unauthorized users to potentially discover and access application components that should only be available to authenticated users with appropriate permissions.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates multiple attack vectors for malicious actors. Unauthorized users who can access the exposed application paths may be able to enumerate application components, potentially leading to further exploitation opportunities including directory traversal attacks, information disclosure of sensitive data, or even privilege escalation within the Nextcloud environment. This vulnerability affects organizations that rely on Nextcloud Deck for collaborative project management, potentially exposing confidential project information, task details, and user data to unauthorized parties. The exposure could result in data breaches, compliance violations, and reputational damage for organizations using affected versions of the application.
Organizations should immediately upgrade their Nextcloud Deck installations to versions 1.2.11, 1.4.6, or 1.5.4 to remediate this vulnerability, as no effective workarounds are available for this specific issue. The upgrade process should be prioritized within security operations, with careful attention to ensuring compatibility with existing Nextcloud infrastructure and user workflows. Security teams should also conduct comprehensive audits of their Nextcloud environments to identify any other potentially affected applications or components that may exhibit similar path exposure vulnerabilities. Additionally, network segmentation and access controls should be reviewed and strengthened to limit potential impact if other vulnerabilities are present within the Nextcloud ecosystem. This vulnerability demonstrates the importance of maintaining current security patches and implementing robust access control measures within collaborative platforms that handle sensitive organizational data.