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CVE-2018-18249

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving...

9.8 CriticalFix available

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.49%Up 0.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
CVE-2018-18249
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-94
Updated
2026-11-02
CVE List No score

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
CVE-2018-18249
Updated
2026-11-02
EUVDEUVD-2018-9985 No score

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
EUVD-2018-9985
Updated
2026-11-03
GitHub AdvisoriesGHSA-h88r-wm6r-9ghp 9.8

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving...

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
GHSA-h88r-wm6r-9ghp
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-02
OSV 9.8

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
CVE-2018-18249
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-18249 9.8

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
DEBIAN-CVE-2018-18249
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-18249 9.8

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}${APACHE_RUN_DIR}${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Record
UBUNTU-CVE-2018-18249
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:0067-1 No score

Security update for icingaweb2

This update for icingaweb2 to version 2.7.3 fixes the following issues:

icingaweb2 update to 2.7.3:

  • Fixed an issue where servicegroups for roles with filtered objects were not available

icingaweb2 update to 2.7.2:

  • Performance imrovements and bug fixes

icingaweb2 update to 2.7.1:

  • Highlight links in the notes of an object
  • Fixed an issue where sort rules were no longer working
  • Fixed an issue where statistics were shown with an anarchist way
  • Fixed an issue where wildcards could no show results

icingaweb2 update to 2.7.0:

  • New languages support
  • Now module developers got additional ways to customize Icinga Web 2
  • UI enhancements

icingaweb2 update to 2.6.3:

  • Fixed various issues with LDAP
  • Fixed issues with timezone
  • UI enhancements
  • Stability fixes

icingaweb2 update to 2.6.2:

You can find issues and features related to this release on our Roadmap. This bugfix release addresses the following topics:

  • Database connections to MySQL 8 no longer fail
  • LDAP connections now have a timeout configuration which defaults to 5 seconds
  • User groups are now correctly loaded for externally authenticated users
  • Filters are respected for all links in the host and service group overviews
  • Fixed permission problems where host and service actions provided by modules were missing
  • Fixed an SQL error in the contact list view when filtering for host groups
  • Fixed time zone (DST) detection
  • Fixed the contact details view if restrictions are active
  • Doc parser and documentation fixes

Fix security issues:

  • CVE-2018-18246: fixed an CSRF in moduledisable (boo#1119784)

  • CVE-2018-18247: fixed an XSS via /icingaweb2/navigation/add (boo#1119785)

  • CVE-2018-18248: fixed an XSS attack is possible via query strings or a dir parameter (boo#1119801)

  • CVE-2018-18249: fixed an injection of PHP ini-file directives involves environment variables as channel to send out information (boo#1119799)

  • CVE-2018-18250: fixed parameters that can break navigation dashlets (boo#1119800)

  • Remove setuid from new upstream spec file for following dirs:

    /etc/icingaweb2, /etc/icingaweb/modules, /etc/icingaweb2/modules/setup, /etc/icingaweb2/modules/translation, /var/log/icingaweb2

icingaweb2 updated to 2.6.1:

  • You can find issues and features related to this release on our Roadmap.
  • The command audit now logs a command's payload as JSON which fixes a bug that has been introduced in version 2.6.0.

icingaweb2 was updated to 2.6.0:

  • You can find issues and features related to this release on our Roadmap.

    • Enabling you to do stuff you couldn't before
      • Support for PHP 7.2 added
      • Support for SQLite resources added
      • Login and Command (monitoring) auditing added with the help of a dedicated module
      • Pluginoutput rendering is now hookable by modules which allows to render custom icons, emojis and .. cute kitties :octocat:
    • Avoiding that you miss something
      • It's now possible to toggle between list- and grid-mode for the host- and servicegroup overviews
      • The servicegrid now supports to flip its axes which allows it to be put into a landscape mode
      • Contacts only associated with services are visible now when restricted based on host filters
      • Negated and combined membership filters now work as expected (#2934)
      • A more prominent error message in case the monitoring backend goes down
      • The filter editor doesn't get cleared anymore upon hitting Enter
    • Making your life a bit easier
      • The tactical overview is now filterable and can be safely put into the dashboard
      • It is now possible to register new announcements over the REST Api
      • Filtering for custom variables now works in UTF8 environments
    • Ensuring you understand everything
      • The monitoring health is now beautiful to look at and properly behaves in narrow environments -…
Record
openSUSE-SU-2020:0067-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10857-1 No score

icingacli-2.8.4-1.6 on GA media

These are all security issues fixed in the icingacli-2.8.4-1.6 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10857-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
icingaweb2
Debian:12
before 2.6.2-1
2.6.2-1
icingaweb2
Debian:13
before 2.6.2-1
2.6.2-1
icingaweb2
Debian:14
before 2.6.2-1
2.6.2-1
icingaweb2
Ubuntu:16.04:LTS
All versions, plus listed versions
2.1.0-1ubuntu12.1.0-1ubuntu1.12.1.0-1ubuntu1.2
None known
icingaweb2
Ubuntu:18.04:LTS
All versions, plus listed versions
2.4.1-12.4.1-1ubuntu0.1
None known
icingaweb2
Ubuntu:20.04:LTS
All versions, plus listed versions
2.7.1-12.7.3-1
None known
icingaweb2
Ubuntu:22.04:LTS
All versions, plus listed versions
2.8.2-22.9.3-12.9.4-12.9.5-1
None known
icingaweb2
Ubuntu:24.04:LTS
All versions, plus listed versions
2.11.4-32.12.0-12.12.1-1
None known
icingaweb2
Ubuntu:25.10
All versions, plus listed versions
2.12.2-12.12.4-12.12.4-2
None known
icingaweb2
Ubuntu:26.10
All versions, plus listed versions
2.12.6-12.13.0-12.14.0-1
None known
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Affected packages
PackageAffectedFixed
icingaweb2
Ubuntu:26.04:LTS
All versions, plus listed versions
2.12.4-22.12.5-12.12.6-1
None known
icingaweb2
SUSE:Package Hub 12
From an advisory covering 5 CVEs
before 2.7.3-bp151.5.3.1
2.7.3-bp151.5.3.1
icingaweb2
SUSE:Package Hub 15
From an advisory covering 5 CVEs
before 2.7.3-bp151.5.3.1
2.7.3-bp151.5.3.1
icingaweb2
SUSE:Package Hub 15 SP1
From an advisory covering 5 CVEs
before 2.7.3-bp151.5.3.1
2.7.3-bp151.5.3.1
icingaweb2
openSUSE:Leap 15.0
From an advisory covering 5 CVEs
before 2.7.3-bp151.5.3.1
2.7.3-bp151.5.3.1
icingaweb2
openSUSE:Leap 15.1
From an advisory covering 5 CVEs
before 2.7.3-bp151.5.3.1
2.7.3-bp151.5.3.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-18249 is a critical vulnerability (CVSS 9.8) in Icinga Web 2, published December 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. Fixed in icingaweb2 2.6.2-1.

References

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Left out here: the rest of 1 source description. The JSON record has them.

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