CVE-2021-34422: Path traversal of file names in Keybase Client for Windows
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.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-34422?
CVE-2021-34422 is a path traversal vulnerability in the Keybase Client for Windows before version 5.7.0.
How does CVE-2021-34422 affect Keybase Client?
CVE-2021-34422 allows a malicious user to upload a file with a specially crafted name to a shared folder, potentially enabling the execution of an application.
What is the severity of CVE-2021-34422?
CVE-2021-34422 has a severity rating of critical with a value of 9.
How can I fix the CVE-2021-34422 vulnerability?
To fix the CVE-2021-34422 vulnerability, upgrade your Keybase Client for Windows to version 5.7.0 or later.
Is there any additional information available about CVE-2021-34422?
Yes, you can find more information about CVE-2021-34422 in the following reference: https://explore.zoom.us/en/trust/security/security-bulletin