SB2021072810 - Information disclosure in FreeRDP

Description

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2021-37595)

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

CVSSv4: 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

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.

2) Information disclosure (CVE-ID: CVE-2021-37594)

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

CVSSv4: 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

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.

Remediation

Install update from vendor's website.

References

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qg62-jcfp-46fw
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gw67-q7f9-4cg2