Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.3898
sddm security update
6 November 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: sddm
Publisher: Debian
Operating System: Debian GNU/Linux
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-28049
Original Bulletin:
http://www.debian.org/security/2020/dsa-4783
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running sddm check for an updated version of the software for their
operating system.
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Debian Security Advisory DSA-4783-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
November 05, 2020 https://www.debian.org/security/faq
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Package : sddm
CVE ID : CVE-2020-28049
Debian Bug : 973748
Fabian Vogt discovered a flaw in sddm, a modern display manager for X11.
A local attacker can take advantage of a race condition when creating
the Xauthority file to escalate privileges.
For the stable distribution (buster), this problem has been fixed in
version 0.18.0-1+deb10u1.
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 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
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