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

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

                               ESB-2018.0499
                         bugzilla security update
                             20 February 2018

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

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

Product:           bugzilla
Publisher:         Mozilla
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Cross-site Request Forgery -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5123  

Original Bulletin: 
   https://www.bugzilla.org/security/4.4.12/

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

Summary
=======

Bugzilla is a Web-based bug-tracking system used by a large number of
software projects. The following security issue has been discovered
in Bugzilla:

* A CSRF vulnerability in report.cgi would allow a third-party site
  to extract confidential information from a bug the victim had access to.

All affected installations are encouraged to upgrade as soon as
possible.


Vulnerability Details
=====================

Class:       Cross-Site Request Forgery
Versions:    Bugzilla 2.16rc1 to 4.4.12, 4.5.1 to 5.0.3
Fixed In:    4.4.13, 5.0.4
Description: Via the image generation in report.cgi, a malicious site
             using the presence of certain images, could extract
             potentially confidential information if the victim was
             logged in and could access the bug.
References:  https://bugzilla.mozilla.org/show_bug.cgi?id=1433400
CVE Number:  CVE-2018-5123


Vulnerability Solutions
=======================

The fix for this issue is included in the 4.4.13 and 5.0.4
releases. Upgrading to a release with the relevant fix will
protect your installation from possible exploits of this issue.

If you are unable to upgrade but would like to patch just the security
vulnerability, there are patches available for the issue at the
"References" URL.

Full release downloads, patches to upgrade Bugzilla from previous
versions, and git upgrade instructions are available at:

  https://www.bugzilla.org/download/


Credits
=======

The Bugzilla team wish to thank the following people for their
assistance in locating, advising us of, and assisting us to fix this
issue:

Reporter: Holger Fuhrmannek
Fixed by: Dylan Hardison

General information about the Bugzilla bug-tracking system can be found
at:

  https://www.bugzilla.org/

Comments and follow-ups can be directed to the mozilla.support.bugzilla
newsgroup or the support-bugzilla mailing list.
https://www.bugzilla.org/support/ has directions for accessing these
forums.

- --------------------------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

iQIVAwUBWouhhYx+lLeg9Ub1AQgeZA/+IJZwx6mxLm6EzFJ6aaKWbudKua1h1Vpt
toOohsam7VGoZpYuNWYNgTK2LtCO0dHmB4zox1xeOi3i1J8YKdBXRLfYlVYcbEXB
dcZNVsfKOVBenSjhl62t+O+FvaLX/E6JiOoOSI1hDFiQQvDiPZV3V7LXIBIi7IRM
RaN/ujNO3fSb+zdyvnff5g1vD7PJnAIodFP3luPaqhCQTsLQKv9OGb9Nr0gZuZ+j
3IpnQ80L8/tviNiKhvizMJW6oJaqMQlVMPj/gH77v7wBRQmpc1e3x264heDL4C2B
ZOcPaw1W6YsxpwHzTiiWbto8dsEes98+DOhiJl0TCQCSULHVrwwumpOWTgAGx1bG
+e7B1ivw77jtXNh+D9ZpzwXDI4ymxR9L0lTlXgGYvxMq8WZsh87Mtau4jEwWd6pD
WWFedbbn7XVvI6DMnbIgAOFg/kKtnzyL+4UJUBr3q6supZHyLmPsKklQTt+J17Xf
uurNfW/7RlCQZfoL3XAjOFfl1YfH/pX1Ydtyz/IytgYsSndHNQdaoFJWFEYhhn56
snmfpDTtYLv/VUxYtFl1MzaTY5JG+yZ+F9qa10U3/cRIMqRfTjNQpsNDJZUMfBLE
/fyCEj8Csy7mnSCmQHaxEVpb+7HZ+XfzDwEZQCpFRoZ5e4RWPfmFkRQtT0ff7ucN
fqavkZdcgi8=
=Cxov
-----END PGP SIGNATURE-----