openSUSE Security Update: Security update for xorg-x11-server ______________________________________________________________________________
Announcement ID: openSUSE-SU-2017:1885-1 Rating: important References: #1025084 #1035283 Cross-References: CVE-2017-10971 CVE-2017-10972 Affected Products: openSUSE Leap 42.2 ______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for xorg-x11-server fixes the following issues:
- CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. (bnc#1035283) - Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range. - CVE-2017-10972: Initialize the xEvent eventT with zeros to avoid information leakage. - Improve retrieval of entropy for generating random authentication cookies (boo#1025084)
Patch Instructions:
To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:
- openSUSE Leap 42.2:
zypper in -t patch openSUSE-2017-825=1
To bring your system up-to-date, use "zypper patch".
Package List:
- openSUSE Leap 42.2 (i586 x86_64):
xorg-x11-server-7.6_1.18.3-12.20.1 xorg-x11-server-debuginfo-7.6_1.18.3-12.20.1 xorg-x11-server-debugsource-7.6_1.18.3-12.20.1 xorg-x11-server-extra-7.6_1.18.3-12.20.1 xorg-x11-server-extra-debuginfo-7.6_1.18.3-12.20.1 xorg-x11-server-sdk-7.6_1.18.3-12.20.1 xorg-x11-server-source-7.6_1.18.3-12.20.1
References:
https://www.suse.com/security/cve/CVE-2017-10971.html https://www.suse.com/security/cve/CVE-2017-10972.html https://bugzilla.suse.com/1025084 https://bugzilla.suse.com/1035283