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Advisories

Claude HUD 0.0.12 Arbitrary Command Execution via COMSPEC Environment Variable

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severity
high
date
Affecting

  • Claude HUD <= 0.0.12, patched in commit 234d9aa

CWE
  • CWE-427 Uncontrolled Search Path Element
CVSS
7.3
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Katriel Moses
Description
Claude HUD through 0.0.12, patched in commit 234d9aa, contains a command injection vulnerability that allows local attackers to execute arbitrary commands by manipulating the COMSPEC environment variable. Attackers can set COMSPEC to an arbitrary binary path before claude-hud performs its version check, causing execFile() to execute the attacker-supplied executable with cmd.exe arguments, resulting in arbitrary code execution on Windows systems.

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