Related Vulnerabilities: CVE-2022-24882  

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions prior to 2.7.0, NT LAN Manager (NTLM) authentication does not properly abort when someone provides and empty password value. This issue affects FreeRDP based RDP Server implementations. RDP clients are not affected. The vulnerability is patched in FreeRDP 2.7.0. There are currently no known workarounds.

Description

The MITRE CVE dictionary describes this issue as:

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions prior to 2.7.0, NT LAN Manager (NTLM) authentication does not properly abort when someone provides and empty password value. This issue affects FreeRDP based RDP Server implementations. RDP clients are not affected. The vulnerability is patched in FreeRDP 2.7.0. There are currently no known workarounds.

Additional Information

  • Bugzilla 2079056: CVE-2022-24882 freerdp: Server side NTLM does not properly check parameters
  • CWE-287: Improper Authentication
  • FAQ: Frequently asked questions about CVE-2022-24882