Private tunnel identifier may be included in the non-private details of active connections
CVE-2021-41767

6.5MEDIUM

Key Information:

Vendor
Apache
Status
Apache Guacamole
Vendor
CVE Published:
11 January 2022

Summary

Apache Guacamole 1.3.0 and older 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.

Affected Version(s)

Apache Guacamole <= 1.3.0

References

https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/01/11/6
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

We would like to thank Damian Velardo (Australia and New Zealand Banking Group) for reporting this issue.
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