#VU86013 Input validation error in Guacamole - CVE-2023-30575
Published: February 1, 2024
Vulnerability identifier: #VU86013
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-30575
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Guacamole
Guacamole
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote user to bypass implemented security restrictions.
The vulnerability exists due to incorrectly calculate the lengths of instruction elements sent during the Guacamole protocol handshake. A remote user can pass specially crafted input to the application and inject Guacamole instructions during the handshake.
Remediation
Install updates from vendor's website.