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AUSCERT External Security Bulletin Redistribution
ESB-2020.3931
sddm security update
9 November 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: sddm
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-28049
Reference: ESB-2020.3898
Original Bulletin:
https://www.debian.org/lts/security/2020/dla-2436
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Debian LTS Advisory DLA-2436-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Chris Lamb
November 06, 2020 https://wiki.debian.org/LTS
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Package : sddm
Version : 0.14.0-4+deb9u2
CVE ID : CVE-2020-28049
Debian Bug : #973748
It was discovered that there was an issue in the sddm display manager
where local unprivileged users could create a connection to the X
server.
For Debian 9 "Stretch", this problem has been fixed in version
0.14.0-4+deb9u2.
We recommend that you upgrade your sddm packages.
For the detailed security status of sddm please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/sddm
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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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.
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