ESB-2018.3090 - [Win][UNIX/Linux] Joomla!: Multiple vulnerabilities 2018-10-11

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3090
                           Joomla! Security News
                              11 October 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Joomla!
Publisher:         Joomla!
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account            
                   Cross-site Request Forgery      -- Remote with User Interaction
                   Unauthorised Access             -- Existing Account            
                   Reduced Security                -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-17859 CVE-2018-17858 CVE-2018-17857
                   CVE-2018-17856 CVE-2018-17855 

Original Bulletin: 
   https://developer.joomla.org/security-centre/755-20181005-core-csrf-hardening-in-com-installer.html
   https://developer.joomla.org/security-centre/754-20181004-core-acl-violation-in-com-users-for-the-admin-verification.html
   https://developer.joomla.org/security-centre/753-20181003-core-access-level-violation-in-com-tags.html
   https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html
   https://developer.joomla.org/security-centre/751-20181001-core-hardening-com-contact-contact-form.html

Comment: This bulletin contains five (5) Joomla! security advisories.

- --------------------------BEGIN INCLUDED TEXT--------------------

[20181005] - Core - CSRF hardening in com_installer

  o Project: Joomla!
  o SubProject: CMS
  o Impact: Moderate
  o Severity: Low
  o Versions: 2.5.0 through 3.8.12
  o Exploit type: CSRF
  o Reported Date: 2018-September-26
  o Fixed Date: 2018-October-02
  o CVE Number: CVE-2018-17858

Description

Added additional CSRF hardening in com_installer actions in the backend.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.8.12

Solution

Upgrade to version 3.8.13

Contact

The JSST at the Joomla! Security Centre.

Reported By: Raviraj A. Powar

===========================================================================

[20181004] - Core - ACL Violation in com_users for the admin verification

  o Project: Joomla!
  o SubProject: CMS
  o Impact: Moderate
  o Severity: Low
  o Versions: 1.5.0 through 3.8.12
  o Exploit type: ACL Violation
  o Reported Date: 2017-December-27
  o Fixed Date: 2018-October-02
  o CVE Number: CVE-2018-17855

Description

In case that an attacker gets access to the mail account of an user who can
approve admin verifications in the registration process he can activate
himself.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.8.12

Solution

Upgrade to version 3.8.13

Contact

The JSST at the Joomla! Security Centre.

Reported By: Paul Freeman

===========================================================================

[20181003] - Core - Access level Violation in com_tags

  o Project: Joomla!
  o SubProject: CMS
  o Impact: Moderate
  o Severity: Low
  o Versions: 3.1.0 through 3.8.12
  o Exploit type: ACL Violation
  o Reported Date: 2018-June-20
  o Fixed Date: 2018-October-02
  o CVE Number: CVE-2018-17857

Description

Inadequate checks on the tags search fields can lead to an access level
violation.

Affected Installs

Joomla! CMS versions 3.1.0 through 3.8.12

Solution

Upgrade to version 3.8.13

Contact

The JSST at the Joomla! Security Centre.

Reported By: Andrey Kapitanov

===========================================================================

[20181002] - Core - Inadequate default access level for com_joomlaupdate

  o Project: Joomla!
  o SubProject: CMS
  o Impact: High
  o Severity: Low
  o Versions: 2.5.4 through 3.8.12
  o Exploit type: Object Injection
  o Reported Date: 2018-June-21
  o Fixed Date: 2018-October-02
  o CVE Number: CVE-2018-17856

Description

Joomla's com_joomlaupdate allows the execution of arbitrary code. The default
ACL config enabled access of Administrator-level users to access
com_joomlaupdate and trigger a code execution.

Affected Installs

Joomla! CMS versions 2.5.4 through 3.8.12

Solution

Upgrade to version 3.8.13

Contact

The JSST at the Joomla! Security Centre.

Reported By: Codesafescan

===========================================================================

[20181001] - Core - Hardening com_contact contact form

  o Project: Joomla!
  o SubProject: CMS
  o Impact: Moderate
  o Severity: Low
  o Versions: 2.5.0 through 3.8.12
  o Exploit type: Incorrect Access Control
  o Reported Date: 2018-September-17
  o Fixed Date: 2018-October-02
  o CVE Number: CVE-2018-17859

Description

Inadequate checks in com_contact could allowed mail submission in disabled
forms.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.8.12

Solution

Upgrade to version 3.8.13

Contact

The JSST at the Joomla! Security Centre.

Reported By: David Jardin (JSST)

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. 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.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
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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=YZPw
-----END PGP SIGNATURE-----

« Back to bulletins