ESB-2018.3797 - [Linux][Debian] policykit-1: Increased privileges - Existing account 2018-12-07

Printable version
PGP/GPG verifiable version

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

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

                               ESB-2018.3797
                        policykit-1 security update
                              7 December 2018

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

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

Product:           policykit-1
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
                   Linux variants
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-19788  

Original Bulletin: 
   http://www.debian.org/security/2018/dsa-4350

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running policykit-1 check for an updated version of the software for
         their operating system.

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

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

- - -------------------------------------------------------------------------
Debian Security Advisory DSA-4350-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
December 06, 2018                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : policykit-1
CVE ID         : CVE-2018-19788
Debian Bug     : 915332

It was discovered that incorrect processing of very high UIDs in
Policykit, a framework for managing administrative policies and
privileges, could result in authentication bypass.

For the stable distribution (stretch), this problem has been fixed in
version 0.105-18+deb9u1.

We recommend that you upgrade your policykit-1 packages.

For the detailed security status of policykit-1 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/policykit-1

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
- -----BEGIN PGP SIGNATURE-----
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=9sHU
- -----END PGP SIGNATURE-----

- --------------------------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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=nrN6
-----END PGP SIGNATURE-----

« Back to bulletins