Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise
Summary
In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, 9.4.13, and 9.3.14, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.6, 10.2.2510.18, and 10.1.2507.24, a user who holds a role that contains the `edit_local_apps` and `install_apps` capabilities could cause a legitimate app installation to write files outside the intended app directory, into `$SPLUNK_HOME/etc/` and its subdirectories.<br><br>The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory.
What this means
In plain English
In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, 9.4.13, and 9.3.14, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.6, 10.2.2510.18, and 10.1.2507.24, a user who holds a role that contains the `edit_local_apps` and `install_apps` capabilities could cause a legitimate app installation to write files outside the intended app directory, into `$SPLUNK_HOME/etc/` and its subdirectories.<br><br>The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory. Path traversal can escape an intended file location and expose files or directories available to the affected process.
Recommended action
Primary action: update to a vendor-listed fixed release: 10.4.1, 10.2.5, 10.0.8, 9.4.13, 9.3.14, 10.5.2605.0, 10.4.2604.6, 10.2.2510.18, 10.1.2507.24. Temporary workaround: The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
- Splunk Enterprise 10.4 before 10.4.1
- Splunk Enterprise 10.2 before 10.2.5
- Splunk Enterprise 10.0 before 10.0.8
- Splunk Enterprise 9.4 before 9.4.13
- Splunk Enterprise 9.3 before 9.3.14
- Splunk Cloud Platform 10.5.2605 before 10.5.2605.0
- Splunk Cloud Platform 10.4.2604 before 10.4.2604.6
- Splunk Cloud Platform 10.2.2510 before 10.2.2510.18
- Splunk Cloud Platform 10.1.2507 before 10.1.2507.24
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 10.4.1
- 10.2.5
- 10.0.8
- 9.4.13
- 9.3.14
- 10.5.2605.0
- 10.4.2604.6
- 10.2.2510.18
- 10.1.2507.24
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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