Vulnerability in libphp-swiftmailer - security update
Summary
DLA-792-1: libphp-swiftmailer - security update. Affects libphp-swiftmailer versions < 4.1.5-1+deb7u1. Fixed in 4.1.5-1+deb7u1. How to fix ↓
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Background
libphp-swiftmailer is a package used for sending emails in PHP applications. It provides a convenient interface for creating and sending email messages. However, a security vulnerability has been discovered in the mail transport component of Swift Mailer. This vulnerability allows remote attackers to execute arbitrary code by injecting extra parameters into the mail command through a crafted email address in the From, ReturnPath, or Sender header.
Vulnerability Detail
The vulnerability in libphp-swiftmailer arises from a lack of proper input validation in the mail transport component. By including a backslash double quote (") in a specially crafted email address, an attacker can pass extra parameters to the mail command, leading to the execution of arbitrary code. This can have severe consequences, including unauthorized access to sensitive information, remote code execution, and potential compromise of the affected system.
How To Fix
Minimum fixed version
4.1.5-1+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libphp-swiftmailerTip — 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 security update as soon as possible to mitigate the risk of exploitation.
Conclusion
The vulnerability in libphp-swiftmailer allows remote attackers to execute arbitrary code by injecting extra parameters into the mail command. To mitigate this risk, it is crucial to upgrade to the latest version of libphp-swiftmailer. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libphp-swiftmailer →
FAQ
libphp-swiftmailer is a PHP package used for sending emails in web applications. It provides a convenient interface for creating and sending email messages.
The vulnerability allows remote attackers to execute arbitrary code on the affected system. This can lead to unauthorized access, data breaches, and potential compromise of the entire system.
To fix this vulnerability, you should upgrade your libphp-swiftmailer package to version 4.1.5-1+deb7u1 or later. This update includes the necessary security patches.
No, there are no known workarounds for this vulnerability. It is crucial to apply the security update to mitigate the risk.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
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