CVE-2018-14371: Path Traversal in Eclipse Mojarra
Summary
CVE-2018-14371: Path Traversal in Eclipse Mojarra. Affects org.glassfish:mojarra-parent versions < 2.3.7. Fixed in 2.3.7. How to fix ↓
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Background
Eclipse Mojarra is an open-source implementation of the JavaServer Faces (JSF) specification. It provides a framework for building web applications using Java and JSF. Mojarra is widely used in enterprise applications and offers various features for web development. However, a vulnerability has been discovered in Mojarra versions prior to 2.3.7 that allows for Directory Traversal attacks. This vulnerability can be exploited by a remote attacker to download configuration files or Java bytecodes from affected applications.
Vulnerability Detail
The vulnerability, identified as CVE-2018-14371, resides in the getLocalePrefix function in ResourceManager.java. It is caused by a lack of proper input validation on the 'loc' parameter, which can be manipulated by an attacker to traverse directories and access sensitive files. By exploiting this vulnerability, an attacker can retrieve configuration files or Java bytecodes, potentially leading to unauthorized access, information disclosure, or even remote code execution.
How To Fix
Minimum fixed version
2.3.7
This is the first release that contains the fix.
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Workaround
If upgrading to the latest version of Mojarra is not immediately feasible, a temporary workaround can be implemented. This workaround involves implementing additional input validation on the 'loc' parameter to prevent directory traversal attacks. Here is an example of how this can be done in Java:
public String getLocalePrefix(String loc) {
// Perform input validation to prevent directory traversal
if (loc.contains("..") || loc.contains("/") || loc.contains("\\")) {
throw new IllegalArgumentException("Invalid 'loc' parameter");
}
// Rest of the code
}
Conclusion
In conclusion, the vulnerability CVE-2018-14371 in Eclipse Mojarra allows for Directory Traversal attacks, enabling an attacker to download configuration files or Java bytecodes from affected applications. To mitigate this vulnerability, it is crucial to upgrade to Mojarra version 2.3.7 or later. Implementing proper input validation on the 'loc' parameter can provide an additional layer of protection. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
Eclipse Mojarra is an open-source implementation of the JavaServer Faces (JSF) specification. It provides a framework for building web applications using Java and JSF.
Directory Traversal is a vulnerability that allows an attacker to access files and directories outside of the intended scope. In the case of this vulnerability in Mojarra, it enables an attacker to download configuration files or Java bytecodes from affected applications.
The potential consequences of this vulnerability include unauthorized access to sensitive files, information disclosure, and remote code execution. An attacker could retrieve configuration files or Java bytecodes, which may contain sensitive information or allow them to execute arbitrary code on the affected system.
To mitigate the risk of exploitation, it is recommended to upgrade to Eclipse Mojarra version 2.3.7 or later. This version includes a fix for the Directory Traversal vulnerability. Additionally, implementing proper input validation on the 'loc' parameter can provide an extra layer of protection.
For more information about this vulnerability, you can refer to the official CVE entry: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14371
References
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