openSUSE Security Update: Security update for libX11
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2018:3012-1
Rating:             moderate
References:         #1102062 #1102068 #1102073 
Cross-References:   CVE-2018-14598 CVE-2018-14599 CVE-2018-14600
                   
Affected Products:
                    openSUSE Leap 15.0
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:

   This update for libX11 fixes the following security issues:

   - CVE-2018-14599: The function XListExtensions was vulnerable to an
     off-by-one error caused by malicious server responses, leading to DoS or
     possibly unspecified other impact (bsc#1102062)
   - CVE-2018-14600: The function XListExtensions interpreted a variable as
     signed instead of unsigned, resulting in an out-of-bounds write (of up
     to 128 bytes), leading to DoS or remote code execution (bsc#1102068)
   - CVE-2018-14598: A malicious server could have sent a reply in which the
     first string overflows, causing a variable to be set to NULL that will
     be freed later
     on, leading to DoS (segmentation fault) (bsc#1102073)

   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-2018-1107=1



Package List:

   - openSUSE Leap 15.0 (i586 x86_64):

      libX11-6-1.6.5-lp150.2.3.1
      libX11-6-debuginfo-1.6.5-lp150.2.3.1
      libX11-debugsource-1.6.5-lp150.2.3.1
      libX11-devel-1.6.5-lp150.2.3.1
      libX11-xcb1-1.6.5-lp150.2.3.1
      libX11-xcb1-debuginfo-1.6.5-lp150.2.3.1

   - openSUSE Leap 15.0 (x86_64):

      libX11-6-32bit-1.6.5-lp150.2.3.1
      libX11-6-32bit-debuginfo-1.6.5-lp150.2.3.1
      libX11-devel-32bit-1.6.5-lp150.2.3.1
      libX11-xcb1-32bit-1.6.5-lp150.2.3.1
      libX11-xcb1-32bit-debuginfo-1.6.5-lp150.2.3.1

   - openSUSE Leap 15.0 (noarch):

      libX11-data-1.6.5-lp150.2.3.1


References:

   https://www.suse.com/security/cve/CVE-2018-14598.html
   https://www.suse.com/security/cve/CVE-2018-14599.html
   https://www.suse.com/security/cve/CVE-2018-14600.html
   https://bugzilla.suse.com/1102062
   https://bugzilla.suse.com/1102068
   https://bugzilla.suse.com/1102073

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