[security-announce] openSUSE-SU-2017:1885-1: important: Security update for xorg-x11-server

[news 28]

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

 

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