CVE-2021-41767: Exposure of Sensitive Information to an Unauthorized Actor

January 11, 2022 (updated January 14, 2022)

Apache Guacamole may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user’s active use of that same connection.

References

www.openwall.com/lists/oss-security/2022/01/11/6
lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro
nvd.nist.gov/vuln/detail/CVE-2021-41767

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