CVE-2016-10570: Insecure Download of Executable in pngcrush-installer
Summary
CVE-2016-10570: pngcrush-installer downloads Resources over HTTP. Affects pngcrush-installer versions < 1.8.10. Fixed in 1.8.10. How to fix ↓
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Background
The pngcrush-installer is an npm package that provides a convenient way to install and use the pngcrush utility, which is used for optimizing PNG image files. It allows users to compress PNG images without losing quality. The package is widely used in web development projects to improve website performance by reducing the size of image files. However, a vulnerability has been discovered in versions prior to 1.8.10 that exposes users to potential code execution attacks.
Vulnerability Detail
The vulnerability in pngcrush-installer arises from the insecure download of an executable file over an unencrypted HTTP connection. This means that when the package is installed or updated, it retrieves the executable file from a remote server without using secure protocols. If an attacker has a privileged network position, they can intercept the response and replace the legitimate executable with a malicious one. When the user runs pngcrush-installer, the malicious executable will be executed, leading to arbitrary code execution on the system. This can result in various security risks, including unauthorized access, data theft, and system compromise.
How To Fix
Minimum fixed version
1.8.10
This is the first release that contains the fix.
npm install pngcrush-installer@1.8.10Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The vulnerability in pngcrush-installer exposes users to the risk of arbitrary code execution due to the insecure download of an executable file. To mitigate this risk, it is crucial to update to version 1.8.10 or later, which ensures secure downloads over HTTPS. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
pngcrush-installer is an npm package that simplifies the installation and usage of the pngcrush utility for optimizing PNG image files.
The vulnerability allows an attacker with a privileged network position to replace the legitimate executable file downloaded by pngcrush-installer with a malicious one. This can lead to arbitrary code execution on the system running the package, potentially resulting in unauthorized access, data theft, and system compromise.
To fix this vulnerability, update pngcrush-installer to version 1.8.10 or later. This ensures that the executable file is downloaded over a secure HTTPS connection, reducing the risk of interception and tampering by attackers.
No specific workarounds have been identified for this vulnerability. It is recommended to update to the latest version of pngcrush-installer as soon as possible.
You can find more information about this vulnerability in the GitHub Security Advisory database: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/02/GHSA-g93h-75m9-3qq4/GHSA-g93h-75m9-3qq4.json
