Input validation error in Guacamole - CVE-2024-35164
Published: July 3, 2025
Vulnerability identifier: #VU112153
CSH Severity: Medium
CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-35164
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists in terminal emulator due to insufficient validation of console codes received from servers via text-based protocols like SSH. A remote user can pass specially crafted input to the application and execute arbitrary code with privileges of the running guacd process.
Affected software
Guacamole
Communications Unified Assurance
Fedora
guacamole-server
Communications Unified Assurance
Fedora
guacamole-server
How to mitigate CVE-2024-35164
Install updates from vendor's website.
Guacamole - update to 1.6.0
guacamole-server - addressed in versions 1.6.0-1.el8, 1.6.0-1.el9, 1.6.0-1.el10_0, 1.6.0-1.el10_1, 1.6.0-1.fc41, 1.6.0-1.fc42
guacamole-server - addressed in versions 1.6.0-1.el8, 1.6.0-1.el9, 1.6.0-1.el10_0, 1.6.0-1.el10_1, 1.6.0-1.fc41, 1.6.0-1.fc42
External References
Related Security Bulletins
- Improper input validation in Apache Guacamole
- Fedora EPEL 8 update for guacamole-server
- Fedora 41 update for guacamole-server
- Fedora EPEL 10.0 update for guacamole-server
- Fedora EPEL 9 update for guacamole-server
- Fedora EPEL 10.1 update for guacamole-server
- Fedora 42 update for guacamole-server
- Multiple vulnerabilities in Communications Unified Assurance