Vulnerability in ruby-rack - security update
Summary
DSA-3322-1: ruby-rack - security update. Affects ruby-rack versions < 1.4.1-2.1+deb7u1. Fixed in 1.4.1-2.1+deb7u1. How to fix ↓
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Background
ruby-rack is a modular Ruby webserver interface that provides a common API for web frameworks to interact with web servers. It is widely used in Ruby applications to handle HTTP requests and responses. The normalize_params() method in Rack is responsible for normalizing request parameters. This vulnerability allows a remote attacker to exploit the normalize_params() method and cause a denial of service condition by triggering a SystemStackError.
Vulnerability Detail
The normalize_params() method in Rack is vulnerable to a flaw that can be exploited by a remote attacker. By sending specially crafted requests, the attacker can trigger a SystemStackError, potentially leading to a denial of service condition for the service. This vulnerability affects the ruby-rack package in Debian 7 (wheezy) and Debian 8 (jessie).
How To Fix
Minimum fixed version
1.4.1-2.1+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade ruby-rackTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The vulnerability in ruby-rack can be mitigated by upgrading to the fixed versions mentioned above. It is important to promptly apply the necessary updates to ensure the security and stability of the affected systems. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for ruby-rack →
FAQ
ruby-rack is a modular Ruby webserver interface that provides a common API for web frameworks to interact with web servers.
The normalize_params() method in Rack is responsible for normalizing request parameters.
This vulnerability allows a remote attacker to cause a denial of service condition for the service by triggering a SystemStackError.
This vulnerability affects Debian 7 (wheezy) and Debian 8 (jessie).
To fix this vulnerability, upgrade the ruby-rack package to the fixed versions: 1.4.1-2.1+deb7u1 for Debian 7 (wheezy) and 1.5.2-3+deb8u1 for Debian 8 (jessie).
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