SB2022042601 - Multiple vulnerabilities in FreeRDP

Description

This security bulletin contains information about 3 vulnerabilities.

1) Double Free (CVE-ID: N/A)

CWE-ID: CWE-415 - Double Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a double free error in GFX progressive implementation. A remote attacker can pass specially crafted data to the application, trigger a double free error and crash the application.

2) Improper Authentication (CVE-ID: CVE-2022-24882)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing NTLM authentication requests with an empty password. A remote attacker can bypass authentication process and gain unauthorized access to the application.

3) Improper Authentication (CVE-ID: CVE-2022-24883)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when parsing SAM file during server side authentication, if the server has configured an invalid SAM path. A remote attacker can bypass authentication process and gain unauthorized access to the system.

Remediation

Install update from vendor's website.

References

• https://www.freerdp.com/2022/04/25/2_7_0-release
• https://github.com/FreeRDP/FreeRDP/issues/7745
• https://github.com/FreeRDP/FreeRDP/releases/tag/2.7.0
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6x5p-gp49-3jhh
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qxm3-v2r6-vmwf