Impact
The server allow to create any user who can trigger a pipeline run malicious workflows:
- Those workflows can either lead to a host takeover that runs the agent executing the workflow.
- Or allow to extract the secrets who would be normally provided to the plugins who's entrypoint are overwritten.
Patches
https://github.com/woodpecker-ci/woodpecker/pull/3933
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
Enable the "gated" repo feature and review each change upfront
References
- https://github.com/woodpecker-ci/woodpecker/pull/3933
- https://github.com/woodpecker-ci/woodpecker-security/pull/11
- https://github.com/woodpecker-ci/woodpecker-security/issues/8 (info will be published later at https://github.com/woodpecker-ci/woodpecker/issues/3924)
- https://github.com/woodpecker-ci/woodpecker-security/issues/9 (info will be published later at https://github.com/woodpecker-ci/woodpecker/issues/3924)
- https://github.com/woodpecker-ci/woodpecker/issues/3924 (info will be published later once we got adoption of the update)
Credits
- Daniel Kilimnik @DKDev (Neodyme AG)
- Felipe Custodio Romero @localo (Neodyme AG)