Information disclosure in FreeRDP

Published: 2021-07-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-37595 CVE-2021-37594
CWE-ID	CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	FreeRDP Universal components / Libraries / Libraries used by multiple products
Vendor	FreeRDP

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU55405

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37595

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote server to gain access to potentially sensitive information.

The vulnerability exists due to arbitrary file read vulnerability in the wfreerdp (Windows) client, if clipboard redirection is enabled (default). A malicious server can ready arbitrary file on the client's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 1.0 - 2.3.2

External links

http://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qg62-jcfp-46fw

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.