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GHSA-mfvq-x7vr-rgqg
@backstage/plugin-scaffolder-backendImpact
Deployments that configure sensitive scaffolder.defaultEnvironment.secrets and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to users with access to the resulting task logs.
Patches
Patched in @backstage/plugin-scaffolder-backend version 4.1.0
Workarounds
- Restrict permission to create or update Template entities to fully trusted parties, as recommended by the Backstage threat model.
- If that restriction cannot be guaranteed, remove sensitive values from
scaffolder.defaultEnvironment.secretsuntil a patched version is available.
No complete workaround is known that preserves both untrusted template authoring and access to sensitive default-environment secrets.
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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 high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.
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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