refactor(git): Enhance PR creation and commit handling #2
Conversation
- Update make_pull_request.py to use query_bedrock instead of query_ollama - Rename main function from make_pull_request to main - Adjust imports to reflect new module structure
- app/commit.py: Handle empty commit messages - app/make_pull_request.py: Enhance PR creation with diff-based content - app/query_bedrock.py: Add real-time output for streamed responses
…ate --fill' for existing PRs
j2nullify
changed the title
| # Push the branch to remote | ||
| subprocess.run(["git", "push"]) | ||
| # Get the current branch name | ||
| current_branch = subprocess.check_output(["git", "rev-parse", "--abbrev-ref", "HEAD"]).decode().strip() |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The vulnerability, 'Improper Neutralization of Special Elements used in an OS Command', occurs when user input or variable data isn't properly sanitized before being used in a system command. This can lead to executing unintended commands or passing invalid data to the system. In the provided code snippet, the output of a Git command is being fetched without ensuring that it doesn't contain malicious modifications. Although the current usage context in the snippet itself might seem benign, using unsanitized outputs further in the application can introduce serious security risks.
How this could be exploited:
An attacker could exploit this vulnerability by injecting special characters or command sequences into the Git repository's branch names. When the application fetches the current branch name, these injections could result in the execution of unintended commands on the system where the script runs. For example, creating a branch named 'master; rm -rf /' could potentially lead to the execution of a harmful command along with the intended Git command.
Read more:
https://cwe.mitre.org/data/definitions/78.html
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
| current_branch = subprocess.check_output(["git", "rev-parse", "--abbrev-ref", "HEAD"]).decode().strip() | ||
|
|
||
| # Set the upstream to origin and push the current branch | ||
| subprocess.run(["git", "push", "--set-upstream", "origin", current_branch]) |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The vulnerability 'Improper Neutralization of Special Elements used in an OS Command' occurs when an application does not properly sanitize input that is passed to the operating system. This can lead to command injection, where an attacker can control the command that is executed on the operating system. In the provided code snippet, the variable 'current_branch' is being used to dynamically create the command that is passed to the 'subprocess.run' method. If 'current_branch' comes from an unreliable source, or if it's manipulable by an external user without proper validation and sanitization, it could lead to a security risk.
How this could be exploited:
An attacker could exploit this vulnerability by injecting special characters or command operators into the 'current_branch' variable. For example, setting 'current_branch' to a value like '; rm -rf /' could result in the deletion of the server's root directory if the script is executed with sufficient permissions, leading to catastrophic data loss and system failure.
Read more:
https://cwe.mitre.org/data/definitions/78.html
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
Nullify Code Vulnerabilities5 findings found in this pull request
You can find a list of all findings here |
…leanup - Update prompt for PR title generation to include format instructions - Remove unused return statement in main function
j2nullify
changed the title
| def make_pull_request(): | ||
| def get_pr_diff(): | ||
| try: | ||
| diff = subprocess.check_output(["git", "diff", "origin/main...HEAD"]).decode() |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The vulnerability, 'Improper Neutralization of Special Elements used in an OS Command', often referred to as 'OS command injection', occurs when an application fails to properly sanitize input that is passed to system commands. In the given code snippet, the application is executing a Git command using user-supplied input without validating or encoding it to ensure it is safe. This makes it possible for an attacker to inject malicious commands.
How this could be exploited:
An attacker could exploit this vulnerability by manipulating the input to execute unintended system commands. For instance, if an attacker can influence the git branches or parameters being input into the 'git diff' command, they might append a semicolon to the end of a branch name followed by any malicious command they wish to run. This could allow the attacker to execute potentially harmful commands on the system.
Read more:
https://cwe.mitre.org/data/definitions/78.html
⚡ Here's how you might fix this potential vulnerability
The modified code adds exception handling for the subprocess calls. If a subprocess call fails, the CalledProcessError exception is caught and an error message is printed. The function then returns None to indicate that an error occurred. This prevents the program from crashing if a subprocess call fails. The subprocess.run() calls now include the check=True argument, which causes an exception to be raised if the command returns a non-zero exit status.
Please note that AI auto-fixes are currently experimental
Add exception handling for subprocess calls
| diff = subprocess.check_output(["git", "diff", "origin/main...HEAD"]).decode() | |
| try: | |
| diff = subprocess.check_output(["git", "diff", "origin/main...HEAD"]).decode() | |
| except subprocess.CalledProcessError as e: | |
| print(f"Error: {str(e)}") | |
| return None |
Add exception handling for subprocess calls
Line 16
try:
current_branch = subprocess.check_output(["git", "rev-parse", "--abbrev-ref", "HEAD"]).decode().strip()
except subprocess.CalledProcessError as e:
print(f"Error: {str(e)}")
return NoneAdd exception handling for subprocess calls
Line 19
try:
subprocess.run(["git", "push", "--set-upstream", "origin", current_branch], check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {str(e)}")
return NoneAdd exception handling for subprocess calls
Line 49
try:
result = subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description], check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {str(e)}")
return NoneAdd exception handling for subprocess calls
Line 51
try:
result = subprocess.run(["gh", "pr", "edit", "--title", pr_title, "--body", pr_description], check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {str(e)}")
return NonePowered by nullify.ai
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
| # Push the branch to remote | ||
| subprocess.run(["git", "push"]) | ||
| # Get the current branch name | ||
| current_branch = subprocess.check_output(["git", "rev-parse", "--abbrev-ref", "HEAD"]).decode().strip() |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
This code vulnerability, known as 'Improper Neutralization of Special Elements used in an OS Command', occurs when input data is not properly sanitized before being used in operating system commands. In this snippet, the code is using the Python 'subprocess' module to execute a 'git' command, which retrieves the current Git branch. However, if the output of the command includes special characters or unintended commands, it could potentially lead to the execution of arbitrary commands on the operating system.
How this could be exploited:
An attacker could exploit this by manipulating the Git branch name to include special OS command elements. For example, if an attacker creates a branch named 'master; rm -rf /', and the code does not properly neutralize the special characters, the 'rm -rf /' command could be executed unintentionally, leading to deletion of files.
Read more:
https://cwe.mitre.org/data/definitions/78.html
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
| current_branch = subprocess.check_output(["git", "rev-parse", "--abbrev-ref", "HEAD"]).decode().strip() | ||
|
|
||
| # Set the upstream to origin and push the current branch | ||
| subprocess.run(["git", "push", "--set-upstream", "origin", current_branch]) |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The vulnerability 'Improper Neutralization of Special Elements used in an OS Command' arises when input data isn't correctly sanitized before being passed to an operating system command. In simpler terms, if the data that a user or another part of the application provides contains special characters or command operators, these might be interpreted by the operating system as instructions, rather than plain data. In the provided code snippet, the variable 'current_branch' is included directly in a system command that utilizes the 'subprocess.run' function to execute a 'git push' command. If 'current_branch' contains any special characters or unintended command sequences, these will be executed by the shell, leading to potential malicious operations.
How this could be exploited:
An attacker could exploit this vulnerability by manipulating the 'current_branch' variable to include additional shell commands. For example, if an attacker manages to set 'current_branch' to '; rm -rf /', this would translate the command to 'git push --set-upstream origin; rm -rf /', which would execute a destructive 'remove' command on the root directory of the server, likely causing significant damage or data loss.
Read more:
https://cwe.mitre.org/data/definitions/78.html
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
| @@ -30,7 +45,17 @@ def make_pull_request(): | |||
| return | |||
|
|
|||
| # If gh is installed, proceed with creating the pull request | |||
| subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description]) | |||
|
|
|||
| result = subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description]) | |||
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The vulnerability identified is 'Improper Neutralization of Special Elements used in an OS Command,' often referred to as command injection. This occurs when input data containing special characters or commands is fed directly into system-level command execution without proper sanitization. In the provided code example, variables 'pr_title' and 'pr_description' are included directly in a command that creates a pull request via the GitHub CLI ('gh'). If these variables are taken from user inputs and not properly sanitized, they may include malicious commands that could be executed on the operating system.
How this could be exploited:
An attacker could exploit this by crafting a pull request title or description that includes OS command injections. For example, if an attacker uses a pr_title like 'Update; rm -rf /', it could lead to the deletion of files or directories on the server (depending on permissions), when the script is executed.
Read more:
https://cwe.mitre.org/data/definitions/78.html
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
|
|
||
| result = subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description]) | ||
| if result.returncode != 0: | ||
| result = subprocess.run(["gh", "pr", "edit", "--title", pr_title, "--body", pr_description]) |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The vulnerability identified, known as 'Improper Neutralization of Special Elements used in an OS Command' or 'Command Injection', occurs when user-supplied input (variables like pr_title or pr_description) is not properly sanitized before being included in operating system commands. Here, the code directly incorporates inputs pr_title and pr_description into the OS command to edit a pull request. If these inputs aren't properly validated or sanitized, they could be crafted to execute unintended additional commands alongside the intended ones.
How this could be exploited:
An attacker could exploit this vulnerability by embedding special command-separated characters in the pr_title or pr_description inputs. For example, setting pr_description to 'Valid description here && delete_all_files' would lead to the deletion of all files (implicitly executed by the command) if the code does not sanitize this input. This, in turn, triggers the additional dangerous command hidden within the legitimate command.
Read more:
https://cwe.mitre.org/data/definitions/78.html
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
| result = subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description]) | ||
| if result.returncode != 0: | ||
| result = subprocess.run(["gh", "pr", "edit", "--title", pr_title, "--body", pr_description]) |
There was a problem hiding this comment.
Nullify Code Language: Python 🔵 MEDIUM Severity CWE-78
Improper Neutralization of Special Elements used in an OS Command
The identified vulnerability 'Improper Neutralization of Special Elements used in an OS Command' occurs when input data isn't properly sanitized before being used in an operating system command. This can allow attackers to inject unintended commands to be executed by the system. In the provided code, 'pr_title' and 'pr_description' are included as parameters to a command line operation without ensuring they are safe to employ. This implies that if the pull request title or description contains malicious command sequences, they might be executed.
How this could be exploited:
An example exploitation could occur if an attacker inputs specially crafted text into either 'pr_title' or 'pr_description' that includes shell control characters or commands. For instance, if the title is crafted like 'Valid Title; rm -rf /', this would not only set the title but also attempt to delete all files on the server running this script, if it has sufficient permissions.
Read more:
https://cwe.mitre.org/data/definitions/78.html
⚡ Here's how you might fix this potential vulnerability
The modified code mitigates this vulnerability by escaping any special characters in the pr_title and pr_description using the shlex.quote function. This ensures that these inputs are treated as literal strings by the shell and not interpreted as part of the command.
Please note that AI auto-fixes are currently experimental
Escape special characters in pr_title and pr_description
| result = subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description]) | |
| if result.returncode != 0: | |
| result = subprocess.run(["gh", "pr", "edit", "--title", pr_title, "--body", pr_description]) | |
| import shlex | |
| pr_title = shlex.quote(pr_title) | |
| pr_description = shlex.quote(pr_description) | |
| result = subprocess.run(["gh", "pr", "create", "--title", pr_title, "--body", pr_description]) | |
| if result.returncode != 0: | |
| result = subprocess.run(["gh", "pr", "edit", "--title", pr_title, "--body", pr_description]) |
Powered by nullify.ai
Reply with /nullify to interact with me like another developer
(you will need to refresh the page for updates)
Enhance Git Commit and Pull Request Workflow
This PR introduces several improvements to our Git commit and pull request creation process:
Commit Message Handling:
Pull Request Creation:
Bedrock API Integration:
These changes aim to streamline our Git workflow, provide more informative commit messages and PR descriptions, and improve the overall developer experience.