CVE-2012-6096
HighPublic exploitMultiple stack-based buffer overflows in the get_history function in history.cgi in Nagios Core before 3.4.4, and Icinga 1.6.x before 1.6.2, 1.7.x before 1.7.4, and 1.8.x before 1.8.4, might allow remote attackers to execute arbitrary code via a long (1) host_name variable (host…
Published Jan 22, 2013 · Updated Apr 28, 2026 · Also known as DEBIAN-CVE-2012-6096, DSA-2616-1, DSA-2653-1
Key Facts
Patch immediately- CVE-2012-6096 is a high-severity vulnerability (CVSS 7.5 v2) affecting Icinga, Nagios, nagios3 (debian) and 11 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 66% probability of exploitation in the next 30 days.
- Fixed versions are available, including Icinga 1.0.2-2+squeeze1, Icinga 1.13.3-2.4, icinga-devel 1.13.3-2.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
66%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2012-6096 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Multiple stack-based buffer overflows in the get_history function in history.cgi in Nagios Core before 3.4.4, and Icinga 1.6.x before 1.6.2, 1.7.x before 1.7.4, and 1.8.x before 1.8.4, might allow remote attackers to execute arbitrary code via a long (1) host_name variable (host parameter) or (2) svc_description variable.
Affected Products
58 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| IcingaIcinga | 1.6.0, 1.6.1, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.8.0, 1.8.1 | 1.0.2-2+squeeze1 |
| NagiosNagios | 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0-alpha1 | 3.4.3 |
| nagios3debian | See advisory | 3.2.1-2+squeeze1 |
| icinga-develsuse | See advisory | 1.13.3-2.4 |
| icinga-docsuse | See advisory | 1.13.3-2.4 |
Patched Releases
Icinga
1.0.2-2+squeeze1, 1.13.3-2.4
icinga-devel
1.13.3-2.4
icinga-doc
1.13.3-2.4
icinga-idoutils
1.13.3-2.4
icinga-idoutils-mysql
1.13.3-2.4
icinga-idoutils-oracle
1.13.3-2.4
icinga-idoutils-pgsql
1.13.3-2.4
icinga-plugins-downtimes
1.13.3-2.4
icinga-plugins-eventhandlers
1.13.3-2.4
icinga-www
1.13.3-2.4
icinga-www-config
1.13.3-2.4
monitoring-tools
1.13.3-2.4
Nagios
3.4.3
nagios3
3.2.1-2+squeeze1
Timeline
Publicly disclosed
Jan 22, 2013
Last updated
Apr 28, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryhttps://dev.icinga.org/issues/3532
- advisory51863
- exploitMSF nagios3_history_cgi.rb
- exploitExploitDB-24084
- exploitExploitDB-24159
FAQ
Common Questions.
Multiple stack-based buffer overflows in the get_history function in history.cgi in Nagios Core before 3.4.4, and Icinga 1.6.x before 1.6.2, 1.7.x before 1.7.4, and 1.8.x before 1.8.4, might allow remote attackers to execute arbitrary code via a long (1) host_name variable (host parameter) or (2) svc_description varia…
Affected: Icinga versions 1.6.0, 1.6.1, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.8.0, 1.8.1; Nagios versions 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0-alpha1; nagios3 (debian), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Icinga 1.0.2-2+squeeze1, Icinga 1.13.3-2.4, icinga-devel 1.13.3-2.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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