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GHSA-jf75-p25m-pw74
No affected components available
Summary
Workspace Agent manifests containing sensitive values were logged in plaintext unsanitized
Details
By default Workspace Agent logs are redirected to stderr https://github.com/coder/coder/blob/a8862be546f347c59201e2219d917e28121c0edb/cli/agent.go#L432-L439
Workspace Agent Manifests containing sensitive environment variables were logged insecurely https://github.com/coder/coder/blob/7beb95fd56d2f790502e236b64906f8eefb969bd/agent/agent.go#L1090
An attacker with limited local access to the Coder Workspace (VM, K8s Pod etc.) or a third-party system (SIEM, logging stack) could access those logs
This behavior opened room for unauthorized access and privilege escalation
Impact
Impact varies depending on the environment variables set in a given workspace
Patches
Fix was released & backported:
- https://github.com/coder/coder/releases/tag/v2.28.4
- https://github.com/coder/coder/releases/tag/v2.27.7
- https://github.com/coder/coder/releases/tag/v2.26.5
Workarounds
One potential workaround is to disable Workspace Agent Logs by setting following configuration option
CODER_AGENT_LOGGING_HUMAN=/dev/null
platform operators are advised to upgrade their deployments
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 impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high 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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