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The Keybase Client for Windows before version 5.7.0 contains a path traversal vulnerability when checking the name of a file uploaded to a team folder. A malicious user could upload a file to a shared folder with a specially crafted file name which could allow a user to execute an application which was not intended on their host machine. If a malicious user leveraged this issue with the public folder sharing feature of the Keybase client, this could lead to remote code execution.
Keybase addressed this issue in the 5.7.0 Keybase Client for Windows release. Users can help keep themselves secure by applying current updates or downloading the latest Keybase software with all current security updates from https://keybase.io/download.
Reported by m4t35z
| Revision | Date | Description |
|---|---|---|
| 1.0 | 11/09/2021 | Initial Publication |