Critical Remote Code Execution Vulnerability in Movable Type Open Source Package
Summary
UBUNTU-CVE-2013-2184: Movable Type before 5.2.6 does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via the comment_state parameter. Affects movabletype-opensource versions < 5.2.9+dfsg-1. Fixed in 5.2.9+dfsg-1. How to fix ↓
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Background
Movable Type is a popular content management system (CMS) that allows users to create and manage websites and blogs. The open-source version, Movable Type Open Source, provides a flexible platform for developers and users to customize their web presence. However, prior to version 5.2.6, the package contained a vulnerability that could allow remote attackers to execute arbitrary code, posing a significant security risk to users and their data.
Vulnerability Detail
The vulnerability, identified as CVE-2013-2184, arises from improper usage of the Storable::thaw function in Movable Type versions before 5.2.6. This flaw allows attackers to manipulate the comment_state parameter, leading to potential remote code execution. If exploited, this vulnerability could allow an attacker to gain unauthorized access to the system, execute malicious code, and compromise sensitive information.
How To Fix
Minimum fixed version
5.2.9+dfsg-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade movabletype-opensourceTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can restrict access to the Movable Type application or disable comment functionality until the package is updated to the secure version. This can help mitigate the risk of exploitation while a permanent fix is being implemented.
Conclusion
The CVE-2013-2184 vulnerability in Movable Type Open Source poses a significant risk of remote code execution. Users are strongly advised to update to the patched version 5.2.9+dfsg-1 to mitigate this risk. Additionally, utilizing tools like Vulert can help maintain awareness of vulnerabilities in your software.
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FAQ
CVE-2013-2184 is a vulnerability in Movable Type Open Source that allows remote code execution due to improper handling of the comment_state parameter.
If you are using a version prior to 5.2.6, your installation is vulnerable. You can check your version by running 'movabletype --version' in the terminal.
Failing to address this vulnerability could lead to unauthorized access, data breaches, and potential control over your web application by malicious actors.
Yes, you can use Vulert to monitor and alert for open-source vulnerabilities in your software. It requires only a manifest file like package-lock.json to operate.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
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