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GHSA-7q96-f8xw-jv5j
github.com/fleetdm/fleetSummary
A SQL injection vulnerability in Fleet's Okta conditional access integration could allow an attacker who controls a single enrolled host to read or modify arbitrary data in the Fleet database, including stored session tokens. Disclosed session tokens may be replayed to act as a global administrator, which on a managed fleet leads to remote code execution on enrolled hosts.
Impact
When Fleet Premium with Okta conditional access is configured, an unauthenticated request path that supports the conditional access integration uses a host-supplied value in a database query without proper parameterization. Because the value is reported by the host's own agent and stored verbatim, any party that controls one enrolled host (the lowest-privilege role in the product) can influence the query.
Successful exploitation could allow:
- Disclosure of arbitrary database contents, including credentials and session tokens.
- Replay of disclosed session tokens to gain global administrator access.
- Subsequent actions available to a global administrator, including running scripts on enrolled hosts.
This issue requires Fleet Premium with the Okta conditional access integration enabled. It does not affect instances where Okta conditional access is not configured.
Workarounds
If an immediate upgrade is not possible, disable the Okta conditional access integration until the patched version is deployed.
For more information
If you have any questions or comments about this advisory:
Email us at security@fleetdm.com
Join #fleet in osquery Slack
Credits
We thank @fuzzztf for responsibly disclosing this issue.
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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