#VU37165 Improper Certificate Validation in FreeRDP and Debian Linux - CVE-2017-2836
Published: April 24, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU37165
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-2836
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FreeRDP
Debian Linux
FreeRDP
Debian Linux
Software vendor:
FreeRDP
Debian
FreeRDP
Debian
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
An exploitable denial of service vulnerability exists within the reading of proprietary server certificates in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.
Remediation
Install update from vendor's website.