CVE-2022-2883 in Deploy
Summary
by MITRE • 02/22/2023
In affected versions of Octopus Deploy it is possible to upload a zipbomb file as a task which results in Denial of Service
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Analysis
by VulDB Data Team • 05/28/2026
The vulnerability identified as CVE-2022-2883 affects Octopus Deploy, a popular deployment automation platform used by organizations to manage software releases and deployments. This issue stems from insufficient validation of uploaded files, specifically allowing malicious actors to upload zipbomb files that can cause significant operational disruption. The vulnerability resides in the task upload functionality where the system fails to properly sanitize or limit the size and structure of compressed files being processed.
The technical flaw manifests when Octopus Deploy processes zip files as part of task execution workflows. A zipbomb is a malicious compressed file designed to consume excessive system resources during decompression, typically through nested archives or extremely large uncompressed data. When such a file is uploaded and processed by the deployment platform, the system attempts to decompress it without adequate resource constraints or structural validation. This behavior creates a path for denial of service attacks where legitimate system resources become exhausted, preventing normal operations from continuing. The vulnerability can be exploited by any user with sufficient privileges to upload task files, making it particularly dangerous in environments where deployment automation is heavily utilized.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise entire deployment pipelines and organizational operations. When a zipbomb is successfully uploaded and processed, it can cause memory exhaustion, disk space depletion, and CPU resource saturation on the deployment server. This resource exhaustion can affect not only the specific deployment instance but also other services running on the same infrastructure. Organizations relying on Octopus Deploy for critical deployments may experience extended downtime, failed releases, and potential data loss during the recovery process. The vulnerability is particularly concerning because it can be triggered through legitimate upload mechanisms, making detection and prevention more challenging for security teams.
Mitigation strategies for CVE-2022-2883 should focus on implementing comprehensive file validation and resource limiting measures within the Octopus Deploy environment. Organizations should configure strict limits on file size and compression ratios for uploaded archives, implement proper decompression resource constraints, and establish monitoring for unusual resource consumption patterns. The implementation of automated file type detection and content analysis can help identify potentially malicious zip files before they are processed. Security teams should also consider implementing network-level restrictions and access controls to limit who can upload task files, while ensuring proper logging and alerting mechanisms are in place to detect exploitation attempts. Regular updates to the Octopus Deploy platform should be prioritized to ensure the latest security patches are applied, and organizations should conduct regular security assessments of their deployment automation environments to identify similar vulnerabilities.
This vulnerability aligns with CWE-400, which addresses the improper handling of resource constraints, and relates to ATT&CK technique T1499.004 for denial of service attacks. The issue demonstrates how seemingly benign file upload functionality can be weaponized to cause significant operational impact, highlighting the importance of proper input validation and resource management in enterprise deployment platforms. Organizations should also consider implementing application-level firewalls and content filtering solutions to provide additional protection against similar attacks targeting deployment automation systems.