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Advisories

FreeRDP RDP File Parser Remote Code Execution via CLI Options

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severity
high
date
Affecting

  • FreeRDP >= 0, < 3.28.0

CWE
  • CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
DavidKorczynski
Description
FreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.

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