Moderate: python-mako security update
Summary
ALSA-2023:2893: Moderate: python-mako security update. Affects python3-mako versions < 1.0.6-14.el8. Fixed in 1.0.6-14.el8. How to fix ↓
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Background
Mako is a template library written in Python. It provides a familiar, non-XML syntax which compiles into Python modules for maximum performance.
Vulnerability Detail
The vulnerability in python-mako is a Regular Expression Denial of Service (REDoS) issue in the Lexer class. This vulnerability, identified as CVE-2022-40023, can be exploited by an attacker to cause a denial of service attack by sending specially crafted input to the affected application. The impact of this vulnerability can result in excessive CPU usage and potential system instability.
How To Fix
Minimum fixed version
1.0.6-14.el8
This is the first release that contains the fix.
sudo dnf update python3-makoTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, the python-mako package is affected by a Regular Expression Denial of Service (REDoS) vulnerability. It is crucial to update the python3-mako package to version 1.0.6-14.el8 or later to mitigate the vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
Python-mako is a template library used for generating dynamic content in Python applications. It provides a syntax that compiles into Python modules for improved performance.
A Regular Expression Denial of Service (REDoS) vulnerability occurs when a regular expression pattern can be exploited to cause the matching engine to enter into an inefficient state, leading to excessive CPU usage and potential denial of service.
The impact of this vulnerability can result in excessive CPU usage and potential system instability. It can be exploited by an attacker to cause a denial of service attack on the affected application.
No specific workaround has been provided for this vulnerability. It is recommended to update the python3-mako package to the latest version to mitigate the issue.
You can update the python3-mako package using the package manager of your AlmaLinux 8 system. Run the appropriate command to update the package, such as 'yum update python3-mako'.
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