Nagios multiple scripts negative Content-Length header buffer overflow
| nagios-multiple-scripts-bo (26253) |  High Risk |
Description:
Nagios is vulnerable to a buffer overflow, caused by improper bounds checking by multiple CGI scripts. By sending a specially-crafted HTTP request containing a negative Content-Length header, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the system to crash.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Nagios (1.4 or later) or (2.3 or later), available from the Nagios Web site. See References.
For Debian GNU/Linux:
Refer to DSA-1072-1 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-05-07 for patch, upgrade, or suggested workaround information. See References.
References:
- Nagios Changelog: Nagios: Changelog.
- Nagios Web site: Nagios: Home.
- BID-17879: Nagios Remote Negative Content-Length Buffer Overflow Vulnerability
- CVE-2006-2162: Buffer overflow in CGI scripts in Nagios 1.x before 1.4 and 2.x before 2.3 allows remote attackers to execute arbitrary code via a negative content length (Content-Length) HTTP header.
- DSA-1072: nagios -- buffer overflow
- GLSA-200605-07: Nagios: Buffer overflow
- SA19991: Nagios Content-Length Handling Buffer Overflow Vulnerability
- SUSE-SR:2006:011: SUSE Security Summary Report
- USN-282-1: nagios vulnerability
- VUPEN/ADV-2006-1662: Nagios CGI Scripts Content-Length Header Remote Buffer Overflow Vulnerability
Platforms Affected:
- Canonical Ubuntu 5.04
- Canonical Ubuntu 5.10
- Debian Debian Linux 3.1
- Ethan Galstad Nagios prior to 1.4
- Ethan Galstad Nagios prior to 2.3
- Gentoo Linux
Reported:
May 03, 2006
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