Security: Potential Command Injection in Process Execution#1637
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The `execute` method in ProcessManager constructs and executes shell commands using string formatting with external inputs. While the specific `execute` implementation is not fully shown, the pattern of building command strings with `f'taskkill /f /pid {row[2]}'` and similar constructs in `pip_install` with user-configurable mirrors suggests potential for command injection if inputs are not properly sanitized.
Signed-off-by: tomaioo <203048277+tomaioo@users.noreply.github.com>
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Hey - 我在这里给出了一些高层面的反馈:
- 既然
execute现在可以接收参数列表,需要确保它的实现能够一致地区分列表和字符串,并且避免调用 shell(例如设置shell=False),这样可以防止未来的调用方无意间重新引入命令注入风险。 - 可以考虑将这里使用的“参数列表”模式应用到其它构造命令的地方(例如
pip_install或类似的辅助函数),以保持整个模块的进程执行行为一致,同时降低整体的安全风险。
面向 AI 代理的提示
Please address the comments from this code review:
## Overall Comments
- Now that `execute` can receive a list of arguments, ensure its implementation consistently detects lists vs strings and avoids invoking a shell (e.g., `shell=False`) so that future callers don't accidentally reintroduce command injection risks.
- Consider applying the same argument-list pattern used here to other places where commands are constructed (such as `pip_install` or similar helpers) to keep process execution behavior consistent and reduce security risk across the module.帮我变得更有用!请在每条评论上点击 👍 或 👎,我会根据你的反馈改进后续的评审。
Original comment in English
Hey - I've left some high level feedback:
- Now that
executecan receive a list of arguments, ensure its implementation consistently detects lists vs strings and avoids invoking a shell (e.g.,shell=False) so that future callers don't accidentally reintroduce command injection risks. - Consider applying the same argument-list pattern used here to other places where commands are constructed (such as
pip_installor similar helpers) to keep process execution behavior consistent and reduce security risk across the module.
Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- Now that `execute` can receive a list of arguments, ensure its implementation consistently detects lists vs strings and avoids invoking a shell (e.g., `shell=False`) so that future callers don't accidentally reintroduce command injection risks.
- Consider applying the same argument-list pattern used here to other places where commands are constructed (such as `pip_install` or similar helpers) to keep process execution behavior consistent and reduce security risk across the module.Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@deploy/process.py`:
- Line 61: The `DeployConfig.execute` contract is broken because it still treats
`command` as a string and calls `command.replace(...)`, so the new `taskkill`
list argument from `execute` will crash at runtime. Update
`DeployConfig.execute` to accept argv-style lists as well as strings, detect the
list case, and invoke `subprocess.run(..., shell=False)` for list commands while
preserving existing `allow_failure` and `output` behavior. Make sure the fix is
applied in `execute` and works with the `taskkill` call site in the process
cleanup flow.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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📒 Files selected for processing (1)
deploy/process.py
| for row in self.iter_process_by_name(name): | ||
| logger.info(' '.join(map(str, row))) | ||
| self.execute(f'taskkill /f /pid {row[2]}', allow_failure=True, output=False) | ||
| self.execute(['taskkill', '/f', '/pid', str(row[2])], allow_failure=True, output=False) |
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🩺 Stability & Availability | 🟠 Major | 🏗️ Heavy lift
execute 调用契约被破坏,会在运行时崩溃(Line 61)
这里传入 list,但 DeployConfig.execute 仍按 str 处理并调用 command.replace(...),命中该分支会直接抛异常并中断安装流程。请同步改造 execute 以支持 argv 列表并使用 subprocess.run(..., shell=False),否则此修改不可用。
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@deploy/process.py` at line 61, The `DeployConfig.execute` contract is broken
because it still treats `command` as a string and calls `command.replace(...)`,
so the new `taskkill` list argument from `execute` will crash at runtime. Update
`DeployConfig.execute` to accept argv-style lists as well as strings, detect the
list case, and invoke `subprocess.run(..., shell=False)` for list commands while
preserving existing `allow_failure` and `output` behavior. Make sure the fix is
applied in `execute` and works with the `taskkill` call site in the process
cleanup flow.
Summary
Security: Potential Command Injection in Process Execution
Problem
Severity:
High| File:deploy/process.py:L56The
executemethod in ProcessManager constructs and executes shell commands using string formatting with external inputs. While the specificexecuteimplementation is not fully shown, the pattern of building command strings withf'taskkill /f /pid {row[2]}'and similar constructs inpip_installwith user-configurable mirrors suggests potential for command injection if inputs are not properly sanitized.Solution
Use subprocess with argument lists instead of string formatting for shell commands. Validate and sanitize all inputs that are incorporated into commands. Consider using
subprocess.runwith a list of arguments rather than shell=True to prevent injection attacks.Changes
deploy/process.py(modified)Summary by Sourcery
Bug Fixes:
taskkill时,使用参数列表执行方式,而不是格式化后的 shell 命令。Original summary in English
Summary by Sourcery
Bug Fixes:
Summary by CodeRabbit