CVE-2023-41044 (GCVE-0-2023-41044)
Vulnerability from cvelistv5
Published
2023-08-31 17:10
Modified
2024-09-27 14:16
Severity ?
3.3 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
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}`.
References
security-advisories@github.comhttps://github.com/Graylog2/graylog2-server/commit/02b8792e6f4b829f0c1d87fcbf2d58b73458b938Patch
security-advisories@github.comhttps://github.com/Graylog2/graylog2-server/security/advisories/GHSA-2q4p-f6gf-mqr5Exploit, Mitigation, Vendor Advisory
security-advisories@github.comhttps://go2docs.graylog.org/5-1/making_sense_of_your_log_data/cluster_support_bundle.htmProduct
af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/commit/02b8792e6f4b829f0c1d87fcbf2d58b73458b938Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-2q4p-f6gf-mqr5Exploit, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://go2docs.graylog.org/5-1/making_sense_of_your_log_data/cluster_support_bundle.htmProduct
Impacted products
Vendor Product Version
Graylog2 graylog2-server Version: >= 5.1.0, < 5.1.3
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