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	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

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-37595

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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: - - 2.3.2

CPE2.3

External links

https://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.

2) Information disclosure

EUVDB-ID: #VU55404