Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.3931
sddm security update
9 November 2020
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AusCERT Security Bulletin Summary
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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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