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UNIRAS Brief - 517/05 - Gentoo - UPDATE: Cacti Several vulnerabilities [GLSA 200506-20]



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 517/05 dated 08.07.05  Time: 14:30 
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
=====
Gentoo - UPDATE: Cacti Several vulnerabilities [GLSA 200506-20] 

Detail
====== 

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Gentoo Linux Security Advisory [UPDATE]               GLSA 200506-20:02
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Cacti: Several vulnerabilities
      Date: June 22, 2005
   Updated: July 06, 2005
      Bugs: #96243, #97475
        ID: 200506-20:02

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Update
======

Stefan Esser of the Hardened - PHP Project discovered that some of
the recent vulnerabilities were incorrectly fixed, as well as a new
vulnerability.

The updated sections appear below.

Synopsis
========

Cacti is vulnerable to several SQL injection, authentication bypass and
file inclusion vulnerabilities.

Background
==========

Cacti is a complete web-based frontend to rrdtool.

Affected packages
=================

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/cacti      < 0.8.6f                        >= 0.8.6f

Description
===========

Cacti fails to properly sanitize input which can lead to SQL injection,
authentication bypass as well as PHP file inclusion.

Impact
======

An attacker could potentially exploit the file inclusion to execute
arbitrary code with the permissions of the web server. An attacker
could exploit these vulnerabilities to bypass authentication or inject
SQL queries to gain information from the database. Only systems with
register_globals set to "On" are affected by the file inclusion and
authentication bypass vulnerabilities. Gentoo Linux ships with
register_globals set to "Off" by default.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Cacti users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/cacti-0.8.6f"

Note: Users with the vhosts USE flag set should manually use
webapp-config to finalize the update.

References
==========

  [ 1 ] Cacti Release Notes - 0.8.6e
        http://www.cacti.net/release_notes_0_8_6e.php
  [ 2 ] iDEFENSE SQL injection advisory

http://www.idefense.com/application/poi/display?id=267&type=vulnerabilities&flashstatus=false
  [ 3 ] iDEFENSE config_settings advisory

http://www.idefense.com/application/poi/display?id=266&type=vulnerabilities&flashstatus=false
  [ 4 ] iDEFENSE remote file inclusion advisory

http://www.idefense.com/application/poi/display?id=265&type=vulnerabilities&flashstatus=false
  [ 5 ] Cacti  Release Notes - 0.8.6f
        http://www.cacti.net/release_notes_0_8_6f.php
  [ 6 ] Hardened - PHP Project Cacti Multiple SQL Injection Vulnerabilities
        http://www.hardened-php.net/advisory-032005.php
  [ 7 ] Hardened - PHP Project Cacti Remote Command Execution Vulnerability
        http://www.hardened-php.net/advisory-042005.php
  [ 8 ] Hardened - PHP Project Cacti Authentification/Addslashes Bypass
Vulnerability
        http://www.hardened-php.net/advisory-052005.php

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200506-20.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@xxxxxxxxxx or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0



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For additional information or assistance, please contact the HELP Desk by 
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UNIRAS wishes to acknowledge the contributions of Gentoo for the information 
contained in this Briefing. 
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This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

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Neither UNIRAS or NISCC shall also accept responsibility for any errors 
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and has contacts with other international Incident Response Teams (IRTs) in 
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rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
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<End of UNIRAS Briefing>

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