Moderate: python-idna security update
Summary
RLSA-2024:3846: Moderate: python-idna security update. Affects python-idna versions < 0:2.10-7.el9_4.1. Fixed in 0:2.10-7.el9_4.1. How to fix ↓
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Background
The python-idna package is a Python library that provides support for Internationalized Domain Names (IDNs). It allows encoding and decoding of domain names containing non-ASCII characters. This package is commonly used in various applications and frameworks to handle IDNs. However, a vulnerability has been discovered in the package that could potentially lead to a denial of service (DoS) attack.
Vulnerability Detail
The vulnerability (CVE-2024-3651) in python-idna arises from a flaw in the idna.encode() function. An attacker can exploit this vulnerability by providing specially crafted inputs to the function, leading to excessive resource consumption and potentially causing a DoS condition. This vulnerability can be triggered remotely, making it a significant concern for applications that utilize the python-idna package.
How To Fix
Minimum fixed version
0:2.10-7.el9_4.1
This is the first release that contains the fix.
sudo dnf update python-idnaTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No workaround has been provided for this vulnerability. It is essential to apply the security update as soon as possible to ensure the protection of the affected system.
Conclusion
In conclusion, the python-idna package is vulnerable to a DoS attack due to a flaw in the idna.encode() function. To mitigate this vulnerability, it is recommended to update the package to version 2.10-7.el9_4.1 or later. Failure to apply the necessary security patches could result in a potential DoS condition. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
Python-idna is a library that provides support for Internationalized Domain Names (IDNs). It allows encoding and decoding of domain names containing non-ASCII characters.
The vulnerability in python-idna can be exploited by an attacker to cause a denial of service (DoS) condition. This can result in the unavailability of the affected application or system.
To fix this vulnerability, update the python-idna package to version 2.10-7.el9_4.1 or later. This update includes the necessary security patches to mitigate the DoS vulnerability.
Yes, this vulnerability can be triggered remotely, making it a significant concern for applications that utilize the python-idna package.
No workaround has been provided for this vulnerability. It is crucial to apply the security update to protect the affected system.
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