Vulnerability in nagios3 package - Stack-based Buffer Overflow in cmd_submitf function
Summary
DLA-461-1: nagios3 - security update. Affects nagios3 versions < 3.4.1-3+deb7u2. Fixed in 3.4.1-3+deb7u2. How to fix ↓
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Background
The nagios3 package is a monitoring and management system for hosts, services, and networks. It provides a comprehensive solution for monitoring the availability and performance of various components in a network infrastructure. Nagios3 allows users to monitor and manage hosts, services, and network devices through a web interface. It is widely used in enterprise environments to ensure the smooth operation of critical systems and services.
Vulnerability Detail
A stack-based buffer overflow vulnerability was discovered in the cmd_submitf function in the cmd.c file of Nagios. This vulnerability allows remote attackers to cause a denial of service (segmentation fault) by sending a long message to cmd.cgi. By exploiting this vulnerability, an attacker could potentially crash the Nagios3 service, leading to a disruption in monitoring and management capabilities. This vulnerability is identified by CVE-2014-1878.
How To Fix
Minimum fixed version
3.4.1-3+deb7u2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade nagios3Tip — 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 essential to apply the provided fix by upgrading the nagios3 package to the patched version.
Conclusion
The nagios3 package is vulnerable to a stack-based buffer overflow in the cmd_submitf function, which can be exploited remotely to cause a denial of service. To mitigate this vulnerability, it is crucial to upgrade the nagios3 package to version 3.4.1-3+deb7u2 or later. There are no known workarounds, and it is recommended to apply the provided fix as soon as possible. For additional support and assistance, please contact DevNack.com.
See every vulnerability recorded for nagios3 →
FAQ
This vulnerability allows remote attackers to cause a denial of service by crashing the Nagios3 service. It can disrupt the monitoring and management capabilities of the system, potentially leading to a loss of visibility into the network infrastructure.
You can use the Vulert playground at Vulert Scanner to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities.
There are no known exploits for this vulnerability at the time of this report. However, it is crucial to apply the provided fix to mitigate the risk of potential exploitation.
Yes, this vulnerability can be exploited remotely. Attackers can send a specially crafted message to cmd.cgi to trigger the stack-based buffer overflow and cause a denial of service.
For further support on vulnerability remediation and assistance with securing your system, you can contact info@devnack.com.
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