EUVD-2025-19229
GHSA-6f6r-m9pv-67jw
Severity by source
AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H
Lifecycle Timeline
4Blast Radius
ecosystem impact- 1 npm packages depend on ios-simulator-mcp (1 direct, 0 indirect)
Ecosystem-wide dependent count for version 1.3.3.
DescriptionGitHub Advisory
iOS Simulator MCP Server (ios-simulator-mcp) is a Model Context Protocol (MCP) server for interacting with iOS simulators. Versions prior to 1.3.3 are written in a way that is vulnerable to command injection vulnerability attacks as part of some of its MCP Server tool definition and implementation. The MCP Server exposes the tool ui_tap which relies on Node.js child process API exec which is an unsafe and vulnerable API if concatenated with untrusted user input. LLM exposed user input for duration, udid, and x and y args can be replaced with shell meta-characters like ; or && or others to change the behavior from running the expected command idb to another command. When LLMs are tricked through prompt injection (and other techniques and attack vectors) to call the tool with input that uses special shell characters such as ; rm -rf /tmp;# and other payload variations, the full command-line text will be interepted by the shell and result in other commands except of ps executing on the host running the MCP Server. Version 1.3.3 contains a patch for the issue.
Analysis
iOS Simulator MCP Server (ios-simulator-mcp) is a Model Context Protocol (MCP) server for interacting with iOS simulators. Versions prior to 1.3.3 are written in a way that is vulnerable to command injection vulnerability attacks as part of some of its MCP Server tool definition and implementation. The MCP Server exposes the tool ui_tap which relies on Node.js child process API exec which is an unsafe and vulnerable API if concatenated with untrusted user input. LLM exposed user input for duration, udid, and x and y args can be replaced with shell meta-characters like ; or && or others to change the behavior from running the expected command idb to another command. When LLMs are tricked through prompt injection (and other techniques and attack vectors) to call the tool with input that uses special shell characters such as ; rm -rf /tmp;# and other payload variations, the full command-line text will be interepted by the shell and result in other commands except of ps executing on the host running the MCP Server. Version 1.3.3 contains a patch for the issue.
Technical ContextAI
Command injection allows an attacker to execute arbitrary OS commands on the host system through a vulnerable application that passes user input to system shells. This vulnerability is classified as OS Command Injection (CWE-78).
RemediationAI
Avoid passing user input to system commands. Use language-specific APIs instead of shell commands. If unavoidable, use strict input validation and escaping.
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Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today