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Improper header sanitization in bored-agent causes escalation of privilege

Release Date

2022/01/24

Overview

Bored-agent failed to sanitize incoming kubernetes impersonation headers allowing a user to override assigned user name and groups.

Affected Products

Bored-agent prior to v0.6.1

Vulnerability Information

CVE Identifier

CVE-2022-0270

CVSSv3.1

8.8 (HIGH) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWEs

CWE-284

Mitigations

Upgrade to v0.6.1 or later. In most installations, this should be automatic.

Work arounds

None

Acknowledgements

Found by Mirantis PSIRT

Disclosure Timeline

2022/01/24: public advisory released

2022/01/18: fixed in lensapp/bored-agent#144

2022/01/18: Mirantis PSIRT reported vulnerability to Lens team