Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT Security Bulletin
ASB-2013.0008
Multiple vulnerabilities have been fixed in Nagios Core
17 January 2013
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Nagios Core
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2012-6096
Member content until: Saturday, February 16 2013
OVERVIEW
An update has been released to fix a vulnerability in the Nagios Core
network monitoring package, prior to version 3.4.4 [1]
IMPACT
The following details have been provided by Neohapsis regarding the
vulnerability:
"history.cgi is vulnerable to a buffer overflow due to the use of
sprintf with user supplied data that has not been restricted in size.
This vulnerability does not appear to be exploitable on the majority
of systems (due to stack cookies, the NX bit, etc)." [2]
This vulnerability has been assigned CVE-2012-6096. Under certain
circumstances it may lead to remote command execution. [3]
A segmentation fault on Solaris and other bugs have been fixed in Nagios
Core 3.4.4 [4]
MITIGATION
The vendor recommends updating Nagios to the latest version to correct
the issue. [1]
REFERENCES
[1] Nagios Core 3.4.4 Released
http://www.nagios.org/news/77-news-announcements/346-nagios-core-344-released
[2] Nagios Core 3.4.3: Stack based buffer overflow in web interface
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0108.html
[3] CVE - CVE-2012-6096
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6096
[4] Nagios Core 3.x Version History
http://www.nagios.org/projects/nagioscore/history/core-3x
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=fmom
-----END PGP SIGNATURE-----