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Nagios Content-Length Integer Overflow Vulnerability
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Secunia Advisory:
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SA20123
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Release Date:
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2006-05-16
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Last Update:
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2006-05-22
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Popularity:
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9,492 views
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Critical:
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Highly critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Nagios 1.x
Nagios 2.x
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| CVE reference: | CVE-2006-2489
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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 an integer overflow error within the handling of the "Content-Length" HTTP header. This can be exploited to cause a buffer overflow and may allow arbitrary code execute via a HTTP request with specially crafted value in 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 1.4.1.
Nagios 2.x:
Update to version 2.3.1.
Provided and/or discovered by:
The vendor credits Sean Finney and Debian.
Changelog:
2006-05-22: Added CVE reference.
Original Advisory:
http://www.nagios.org/development/changelog.php
http://www.nagios.org/development/changelog.php#1x_branch
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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