Information Disclosure in libapache-mod-jk
Summary
DSA-3278-1: libapache-mod-jk - security update. Affects libapache-mod-jk versions < 1:1.2.37-1+deb7u1. Fixed in 1:1.2.37-1+deb7u1. How to fix ↓
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Background
libapache-mod-jk is an Apache module that allows for communication between the Apache web server and the Tomcat application server. It is used to forward requests from Apache to Tomcat, enabling the hosting of Java-based web applications. This module is commonly used in environments where Apache serves as a front-end to Tomcat.
The vulnerability in libapache-mod-jk allows for an information disclosure attack. Due to incorrect processing of JkMount/JkUnmount directives, a JkUnmount rule for a subtree of a previous JkMount rule could be ignored. This could potentially allow a remote attacker to access a private artifact in a tree that would otherwise not be accessible to them.
Vulnerability Detail
The vulnerability arises from the incorrect processing of JkMount/JkUnmount directives in the mod_jk module. When a JkUnmount rule is defined for a subtree of a previous JkMount rule, it may not be properly enforced. This means that an attacker could bypass the JkUnmount rule and gain access to a private artifact within the tree.
The impact of this vulnerability is that sensitive data or resources that should be protected may be exposed to unauthorized users. This could lead to the disclosure of confidential information or the compromise of the application's security.
How To Fix
Minimum fixed version
1:1.2.37-1+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libapache-mod-jkTip — 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 necessary to apply the provided fix by upgrading the libapache-mod-jk package to the fixed version.
Conclusion
The information disclosure vulnerability in libapache-mod-jk can potentially expose sensitive data or resources to unauthorized users. It is crucial to upgrade the libapache-mod-jk package to the fixed version provided for your distribution to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libapache-mod-jk →
FAQ
libapache-mod-jk is an Apache module that enables communication between Apache and Tomcat. It is used to forward requests from Apache to Tomcat for hosting Java-based web applications.
The vulnerability allows for information disclosure, potentially exposing sensitive data or resources to unauthorized users.
To fix this vulnerability, you need to upgrade the libapache-mod-jk package to the fixed version provided for your distribution.
No, there is no known workaround for this vulnerability. It is necessary to apply the provided fix by upgrading the libapache-mod-jk package.
You can find more information about this vulnerability in the Debian Security Advisory DSA-3278-1.
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