Vulnerability Description
Graylog is a free and open log management platform. A partial path traversal vulnerability exists in Graylog's `Support Bundle` feature. The vulnerability is caused by incorrect user input validation in an HTTP API resource. Graylog's Support Bundle feature allows an attacker with valid Admin role credentials to download or delete files in sibling directories of the support bundle directory. The default `data_dir` in operating system packages (DEB, RPM) is set to `/var/lib/graylog-server`. The data directory for the Support Bundle feature is always `<data_dir>/support-bundle`. Due to the partial path traversal vulnerability, an attacker with valid Admin role credentials can read or delete files in directories that start with a `/var/lib/graylog-server/support-bundle` directory name. The vulnerability would allow the download or deletion of files in the following example directories: `/var/lib/graylog-server/support-bundle-test` and `/var/lib/graylog-server/support-bundlesdirectory`. For the Graylog Docker images, the `data_dir` is set to `/usr/share/graylog/data` by default. This vulnerability is fixed in Graylog version 5.1.3 and later. Users are advised to upgrade. Users unable to upgrade should block all HTTP requests to the following HTTP API endpoints by using a reverse proxy server in front of Graylog. `GET /api/system/debug/support/bundle/download/{filename}` and `DELETE /api/system/debug/support/bundle/{filename}`.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Graylog | Graylog | >= 5.1.0, < 5.1.3 |
Related Weaknesses (CWE)
References
- https://github.com/Graylog2/graylog2-server/commit/02b8792e6f4b829f0c1d87fcbf2d5Patch
- https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-2q4p-f6gf-mExploitMitigationVendor Advisory
- https://go2docs.graylog.org/5-1/making_sense_of_your_log_data/cluster_support_buProduct
- https://github.com/Graylog2/graylog2-server/commit/02b8792e6f4b829f0c1d87fcbf2d5Patch
- https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-2q4p-f6gf-mExploitMitigationVendor Advisory
- https://go2docs.graylog.org/5-1/making_sense_of_your_log_data/cluster_support_buProduct
FAQ
What is CVE-2023-41044?
CVE-2023-41044 is a vulnerability with a CVSS score of 3.3 (LOW). Graylog is a free and open log management platform. A partial path traversal vulnerability exists in Graylog's `Support Bundle` feature. The vulnerability is caused by incorrect user input validation ...
How severe is CVE-2023-41044?
CVE-2023-41044 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-41044?
Check the references section above for vendor advisories and patch information. Affected products include: Graylog Graylog.