A sddm security update has been released for openSUSE Leap 15.1 and 15.2.

security-announce: openSUSE-SU-2020:1870-1: moderate: Security update for sddm

openSUSE Security Update: Security update for sddm
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Announcement ID: openSUSE-SU-2020:1870-1
Rating: moderate
References: #1177201
Cross-References: CVE-2020-28049
Affected Products:
openSUSE Leap 15.2
openSUSE Leap 15.1
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An update that fixes one vulnerability is now available.

Description:

This update for sddm fixes the following issue:

- Fix X not having access control on startup (boo#1177201, CVE-2020-28049).

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2020-1870=1

- openSUSE Leap 15.1:

zypper in -t patch openSUSE-2020-1870=1


Package List:

- openSUSE Leap 15.2 (x86_64):

sddm-0.18.0-lp152.5.3.1
sddm-branding-openSUSE-0.18.0-lp152.5.3.1
sddm-branding-upstream-0.18.0-lp152.5.3.1
sddm-debuginfo-0.18.0-lp152.5.3.1
sddm-debugsource-0.18.0-lp152.5.3.1

- openSUSE Leap 15.1 (x86_64):

sddm-0.18.0-lp151.3.6.1
sddm-branding-openSUSE-0.18.0-lp151.3.6.1
sddm-branding-upstream-0.18.0-lp151.3.6.1
sddm-debuginfo-0.18.0-lp151.3.6.1
sddm-debugsource-0.18.0-lp151.3.6.1

References:

  https://www.suse.com/security/cve/CVE-2020-28049.html
  https://bugzilla.suse.com/1177201