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GHSA-vrjc-q2fh-6x9h
No affected components available
Impact
The primary impact is allowing users to fetch data from a remote URL. This data can be then injected into Spinnaker pipelines via helm or other methods to extract things LIKE idmsv1 authentication data. This ALSO includes calling INTERNAL Spinnaker API's via a get and similar endpoints. Further, depending upon the artifact configuration, auth data may be exposed to arbitrary endpoints (e.g. GitHub auth headers) leading to credentials exposure.
To trigger this, a Spinnaker installation MUST have:
- An artifact enabled that allows user input. This includes GitHub file artifacts, BitBucket, GitLab, HTTP artifacts and similar artifact providers. JUST enabling the http artifact provider will add a "no-auth" http provider that could be used to extract link local data (e.g. AWS Metadata information).
- A system that can consume the output of these artifacts. E.g. Rosco helm can use this to fetch values data. K8s account manifests if the API returns JSON can be used to inject that data into the pipeline itself though the pipeline would fail.
To note, due to the way the URLs are viable to be injected, CERTAIN systems can be used to provide DOS attacks on Spinnaker itself. These would NOT compromise the system per se, given restarts and timeout configuration, but could lead to internal attacks by a Spinnaker user against Spinnaker services. An example is that an artifact fetch reference could return an infinite response data feed or similar that can act as a DOS attack. It's recommended to set strong limits on the various http limits AND artifact URLs to known valid URLs.
Patches
Fixed in clouddriver versiosn 2025.2.3, 2025.1.5, 2025.0.9. Impacts all prior Spinnaker releases.
Workarounds
Disable HTTP account types that allow user input of a given URL. This is probably not feasible in MOST cases. Git, Docker and other artifact account types with explicit URL configurations bypass this limitation and should be safe as they limit artifact URL loading.
Alternatively using one of the various vendors which provide OPA policies to restrict pipelines from accessing or saving a pipeline with invalid URLs.
The vulnerability requires local access to the device to be exploited. 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. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a low impact on the integrity of the data. There is a low impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
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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