Vulnerability in ruby-actionmailer-3.2
Summary
DSA-2887-1: ruby-actionmailer-3.2 - security update. Affects ruby-actionmailer-3.2 versions < 3.2.6-2+deb7u1. Fixed in 3.2.6-2+deb7u1. How to fix ↓
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Background
ruby-actionmailer-3.2 is a component of Ruby Actionmailer, a library that provides email composition, delivery, and receiving capabilities in Ruby applications. It is commonly used for sending emails from web applications. This vulnerability in the logging component of Ruby Actionmailer allows for denial of service attacks through malformed email messages.
Vulnerability Detail
The vulnerability in ruby-actionmailer-3.2 arises from the lack of input sanitization in the logging component. Attackers can exploit this by sending specially crafted email messages that trigger the vulnerability, leading to a denial of service. This can result in the application becoming unresponsive or crashing. The vulnerability has been assigned the CVE identifier CVE-2013-4389.
How To Fix
Minimum fixed version
3.2.6-2+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade ruby-actionmailer-3.2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading the ruby-actionmailer-3.2 package.
Conclusion
The vulnerability in ruby-actionmailer-3.2 allows for denial of service attacks through malformed email messages. It is crucial to upgrade the ruby-actionmailer-3.2 package to version 3.2.6-2+deb7u1 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for ruby-actionmailer-3.2 →
FAQ
The vulnerability allows for denial of service attacks, potentially rendering the application unresponsive or causing it to crash.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
There are no known public exploits for this vulnerability at the time of this report.
Yes, this vulnerability can be exploited remotely by sending specially crafted email messages.
There is no evidence of active exploitation of this vulnerability at the time of this report.
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