Apache2 - Incorrect Parsing of Limit Directives in .htaccess Files
Summary
DLA-1102-1: apache2 - security update. Affects apache2 versions < 2.2.22-13+deb7u12. Fixed in 2.2.22-13+deb7u12. How to fix ↓
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Background
Apache2 is a widely used open-source web server software that provides a secure and efficient platform for hosting websites. It offers various features and modules to enhance website performance and security. However, a vulnerability has been discovered in Apache2 that involves incorrect parsing of Limit directives in .htaccess files. This vulnerability can lead to memory disclosure, potentially exposing sensitive information.
Vulnerability Detail
The vulnerability in Apache2 arises from a flaw in the parsing of Limit directives in .htaccess files. When an attacker crafts a malicious .htaccess file with specially crafted Limit directives, the Apache HTTP Server may incorrectly parse them, resulting in memory disclosure. This could allow an attacker to access sensitive information stored in the server's memory, potentially leading to further exploitation or unauthorized access.
How To Fix
Minimum fixed version
2.2.22-13+deb7u12
This is the first release that contains the fix.
sudo apt-get install --only-upgrade apache2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The vulnerability in Apache2 involving the incorrect parsing of Limit directives in .htaccess files can lead to memory disclosure and potential exposure of sensitive information. It is crucial to upgrade the apache2 package to the fixed version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for apache2 →
FAQ
Apache2 is an open-source web server software widely used for hosting websites. It provides a secure and efficient platform for serving web content.
.htaccess is a configuration file used by Apache web servers to apply directory-specific configurations. It allows users to override certain server configuration settings.
This vulnerability in Apache2 could result in memory disclosure, potentially exposing sensitive information stored in the server's memory. This could lead to further exploitation or unauthorized access.
You can use Vulert's playground at Vulert Scanner to check if your Apache2 installation is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
Currently, there is no known workaround for this vulnerability. It is recommended to upgrade the apache2 package to the fixed version as soon as possible.
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