The NGINX Agent config_dirs directive
Summary
The NGINX Agent config_dirs directive allows a low-privileged attacker to gain limited read and write access to files outside of the designated secure directory. The config_dirs directive required for this issue can also be configured through NGINX Instance Manager. A successful exploit may allow an attacker to cross a security boundary. Impact: A remotely authenticated low-privileged attacker could gain limited read and write access outside of the list of directories specified in the NGINX Agent configuration. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
What this means
In plain English
The NGINX Agent config_dirs directive allows a low-privileged attacker to gain limited read and write access to files outside of the designated secure directory. The config_dirs directive required for this issue can also be configured through NGINX Instance Manager. A successful exploit may allow an attacker to cross a security boundary. Impact: A remotely authenticated low-privileged attacker could gain limited read and write access outside of the list of directories specified in the NGINX Agent configuration. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerable items
- NGINX Agent
- NGINX Instance Manager — NGINX Instance Manager is a F5 management component used to administer connected systems or services.
Recommended action
Primary action: update to a vendor-listed fixed release: 2.47.0, 2.22.2.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
- NGINX Agent 2.0.0 before 2.47.0
- NGINX Instance Manager 2.22.0 before 2.22.2
- NGINX Instance Manager 2.17.1
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 2.47.0
- 2.22.2
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 2.47.0, 2.22.2. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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