CVE-2022-27177: Python Format String Issue in ConsoleMe
Summary
CVE-2022-27177: A Python format string issue leading to information disclosure and potentially remote code execution in ConsoleMe for all versions prior to 1.2.2. Affects consoleme versions < 1.2.2. Fixed in 1.2.2. How to fix ↓
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Background
ConsoleMe is a Python package available on PyPI that provides functionality for managing and auditing AWS permissions. It is commonly used in cloud environments to simplify access control and authorization processes. However, versions prior to 1.2.2 are susceptible to a format string vulnerability, which can lead to information disclosure and potentially remote code execution.
Vulnerability Detail
The vulnerability in ConsoleMe arises from a Python format string issue. This type of vulnerability occurs when a string formatting function is used incorrectly, allowing an attacker to exploit the application by providing specially crafted input. In the case of ConsoleMe, this vulnerability can result in the disclosure of sensitive information and, in the worst case, enable remote code execution. The issue has been assigned the identifier CVE-2022-27177 and is also tracked as GHSA-74w3-2r77-fw5h.
How To Fix
Minimum fixed version
1.2.2
This is the first release that contains the fix.
pip install --upgrade "consoleme==1.2.2"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, it is advised to avoid using user-controlled input in format string functions. This can be achieved by validating and sanitizing user input before passing it to any string formatting functions. Here is an example of how to sanitize user input in Python:
user_input = input('Enter your name: ')
# Sanitize user input
sanitized_input = user_input.replace('%', '%%')
# Use the sanitized input in format string
formatted_string = f'Hello, {sanitized_input}!'
print(formatted_string)
Conclusion
In conclusion, the Python format string issue in ConsoleMe (CVE-2022-27177) poses a risk of information disclosure and potential remote code execution. It is crucial to upgrade to ConsoleMe version 1.2.2 or later to mitigate this vulnerability. Additionally, following best practices for input validation and sanitization can provide temporary protection. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability in ConsoleMe can lead to information disclosure and potentially remote code execution. An attacker could exploit this vulnerability to access sensitive data or execute arbitrary code on the affected system.
All versions of ConsoleMe prior to 1.2.2 are affected by this vulnerability.
At the time of this advisory, there is no known public exploit for this vulnerability. However, it is important to apply the recommended fixes and updates to mitigate the risk.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including this one.
You can find more information about this vulnerability, including the technical details and the fix, in the advisory published on the Python Package Index (PyPI) advisory database. The link to the advisory is available in the 'affected' section of this report.
References
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