Input validation error in Guacamole - CVE-2023-30575

 

Input validation error in Guacamole - CVE-2023-30575

Published: February 1, 2024


Vulnerability identifier: #VU86013
CSH Severity: Low
CVSS v4.0: 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
Vendor: Apache Foundation
Affected software:
Guacamole

Detailed vulnerability 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.


How to mitigate CVE-2023-30575

Install updates from vendor's website.

Sources