Nagios Content-Length Handling Buffer Overflow Vulnerability
Secunia Advisory: SA19991
Release Date: 2006-05-08
Popularity: 7,998 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Nagios 1.x

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CVE reference:CVE-2006-2162


Description:
A vulnerability has been reported in Nagios, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the handling of HTTP data. This can be exploited to cause a buffer overflow by supplying a negative value for the "Content-Length" HTTP header.

The vulnerability has been reported in the 1.x and 2.x code branches.

Solution:
Update to the fixed versions.
http://www.nagios.org/download/

Nagios 1.x:
Update to version 1.4.

Nagios 2.x:
Update to version 2.3.

Provided and/or discovered by:
The vendor credits Sebastian Krahmer of the SuSE security team.

Original Advisory:
https://sourceforge.net/mailarchive/f...?thread_id=10297806&forum_id=7890


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