openSUSE Security Update: Security update for gdm
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Announcement ID: openSUSE-SU-2018:2818-1
Rating: moderate
References: #1081947 #1103093 #1103737
Cross-References: CVE-2018-14424
Affected Products:
openSUSE Leap 15.0
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An update that solves one vulnerability and has two fixes
is now available.

Description:

This update for gdm provides the following fixes:

This security issue was fixed:

– CVE-2018-14424: The daemon in GDM did not properly unexport display
objects from its D-Bus interface when they are destroyed, which allowed
a local attacker to trigger a use-after-free via a specially crafted
sequence of D-Bus method calls, resulting in a denial of service or
potential code execution (bsc#1103737)

These non-security issues were fixed:

– Enable pam_keyinit module (bsc#1081947)
– Fix a build race in SLE (bsc#1103093)

This update was imported from the SUSE:SLE-15:Update update project.

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 15.0:

zypper in -t patch openSUSE-2018-1037=1

Package List:

– openSUSE Leap 15.0 (x86_64):

gdm-3.26.2.1-lp150.11.3.1
gdm-debuginfo-3.26.2.1-lp150.11.3.1
gdm-debugsource-3.26.2.1-lp150.11.3.1
gdm-devel-3.26.2.1-lp150.11.3.1
libgdm1-3.26.2.1-lp150.11.3.1
libgdm1-debuginfo-3.26.2.1-lp150.11.3.1
typelib-1_0-Gdm-1_0-3.26.2.1-lp150.11.3.1

– openSUSE Leap 15.0 (noarch):

gdm-branding-upstream-3.26.2.1-lp150.11.3.1
gdm-lang-3.26.2.1-lp150.11.3.1
gdmflexiserver-3.26.2.1-lp150.11.3.1

References:

https://www.suse.com/security/cve/CVE-2018-14424.html
https://bugzilla.suse.com/1081947
https://bugzilla.suse.com/1103093
https://bugzilla.suse.com/1103737

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