Denial of Service Vulnerability in libcommons-fileupload-java
Summary
DLA-528-1: libcommons-fileupload-java - security update. Affects libcommons-fileupload-java versions < 1.2.2-1+deb7u3. Fixed in 1.2.2-1+deb7u3. How to fix ↓
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Background
libcommons-fileupload-java is a library used for handling file uploads in Java applications. It provides functionality for parsing and processing multipart/form-data requests. This vulnerability affects version 1.2.2-1+deb7u3 of the package in Debian 7 Wheezy.
Vulnerability Detail
A denial of service vulnerability was discovered in Commons FileUpload. When the length of the multipart boundary was slightly below the size of the buffer (4096 bytes) used to read the uploaded file, a file upload process would take significantly longer than usual. This could be exploited by an attacker to cause a denial of service, as it would consume excessive server resources and potentially impact the availability of the application.
How To Fix
Minimum fixed version
1.2.2-1+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libcommons-fileupload-javaTip — 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 security update to mitigate the risk.
Conclusion
The denial of service vulnerability in libcommons-fileupload-java can be mitigated by upgrading to version 1.2.2-1+deb7u3 or later. It is recommended to apply the security update to ensure the proper functioning and security of the application. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libcommons-fileupload-java →
FAQ
libcommons-fileupload-java is a Java library used for handling file uploads in web applications. It provides functionality for parsing and processing multipart/form-data requests.
This vulnerability can be exploited by an attacker to cause a denial of service. By uploading a file with a specific length of the multipart boundary, the file upload process can be significantly prolonged, consuming excessive server resources and potentially impacting the availability of the application.
The vulnerability affects version 1.2.2-1+deb7u3 of the libcommons-fileupload-java package in Debian 7 Wheezy.
To fix this vulnerability, it is recommended to upgrade the libcommons-fileupload-java package to version 1.2.2-1+deb7u3 or later. This can be done by updating the package using the package manager of the Debian 7 Wheezy system.
There is no known workaround for this vulnerability. It is necessary to apply the security update to mitigate the risk.
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