ESB-2019.0236 - [Linux][Ubuntu] libspice-server1: Execute arbitrary code/commands - Remote/unauthenticated 2019-01-29

Printable version
PGP/GPG verifiable version

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

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

                               ESB-2019.0236
                            Spice vulnerability
                              29 January 2019

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

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

Product:           libspice-server1
Publisher:         Ubuntu
Operating System:  Ubuntu
                   Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3813  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3870-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running libspice-server1 check for an updated version of the 
         software for their operating system.

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

USN-3870-1: Spice vulnerability

28 January 2019
spice vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

    Ubuntu 18.10
    Ubuntu 18.04 LTS
    Ubuntu 16.04 LTS
    Ubuntu 14.04 LTS

Summary

Spice could be made to crash or run programs if it received specially crafted
network traffic.

Software Description

    spice - SPICE protocol client and server library

Details

Christophe Fergeau discovered that Spice incorrectly handled memory. A remote
attacker could use this to cause Spice to crash, resulting in a denial of
service, or possibly execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 18.10
    libspice-server1 - 0.14.0-1ubuntu4.2
Ubuntu 18.04 LTS
    libspice-server1 - 0.14.0-1ubuntu2.4
Ubuntu 16.04 LTS
    libspice-server1 - 0.12.6-4ubuntu0.4
Ubuntu 14.04 LTS
    libspice-server1 - 0.12.4-0nocelt2ubuntu1.8

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart qemu guests to make all the
necessary changes.

References

    CVE-2019-3813

- --------------------------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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=xYJ+
-----END PGP SIGNATURE-----

« Back to bulletins