openSUSE Security Update: Security update for libsass
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2019:1791-1
Rating:             moderate
References:         #1096894 #1118301 #1118346 #1118348 #1118349 
                    #1118351 #1119789 #1121943 #1121944 #1121945 
                    #1133200 #1133201 
Cross-References:   CVE-2018-11499 CVE-2018-19797 CVE-2018-19827
                    CVE-2018-19837 CVE-2018-19838 CVE-2018-19839
                    CVE-2018-20190 CVE-2018-20821 CVE-2018-20822
                    CVE-2019-6283 CVE-2019-6284 CVE-2019-6286
                   
Affected Products:
                    openSUSE Leap 15.1
                    openSUSE Leap 15.0
______________________________________________________________________________

   An update that fixes 12 vulnerabilities is now available.

Description:

   This update for libsass to version 3.6.1 fixes the following issues:

   Security issues fixed:

   - CVE-2019-6283: Fixed heap-buffer-overflow in
     Sass::Prelexer::parenthese_scope(char const*) (boo#1121943).
   - CVE-2019-6284: Fixed heap-based buffer over-read exists in
     Sass:Prelexer:alternatives (boo#1121944).
   - CVE-2019-6286: Fixed heap-based buffer over-read exists in
     Sass:Prelexer:skip_over_scopes (boo#1121945).
   - CVE-2018-11499: Fixed use-after-free vulnerability in
     sass_context.cpp:handle_error (boo#1096894).
   - CVE-2018-19797: Disallowed parent selector in selector_fns arguments
     (boo#1118301).
   - CVE-2018-19827: Fixed use-after-free vulnerability exists in the
     SharedPtr class (boo#1118346).
   - CVE-2018-19837: Fixed stack overflow in Eval::operator() (boo#1118348).
   - CVE-2018-19838: Fixed stack-overflow at IMPLEMENT_AST_OPERATORS
     expansion (boo#1118349).
   - CVE-2018-19839: Fixed buffer-overflow (OOB read) against some invalid
     input (boo#1118351).
   - CVE-2018-20190: Fixed Null pointer dereference in
     Sass::Eval::operator()(Sass::Supports_Operator*) (boo#1119789).
   - CVE-2018-20821: Fixed uncontrolled recursion in
     Sass:Parser:parse_css_variable_value (boo#1133200).
   - CVE-2018-20822: Fixed stack-overflow at Sass::Inspect::operator()
     (boo#1133201).


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 15.1:

      zypper in -t patch openSUSE-2019-1791=1

   - openSUSE Leap 15.0:

      zypper in -t patch openSUSE-2019-1791=1



Package List:

   - openSUSE Leap 15.1 (x86_64):

      libsass-3_6_1-1-3.6.1-lp151.3.3.1
      libsass-3_6_1-1-debuginfo-3.6.1-lp151.3.3.1
      libsass-debugsource-3.6.1-lp151.3.3.1
      libsass-devel-3.6.1-lp151.3.3.1

   - openSUSE Leap 15.0 (x86_64):

      libsass-3_6_1-1-3.6.1-lp150.2.3.1
      libsass-3_6_1-1-debuginfo-3.6.1-lp150.2.3.1
      libsass-debugsource-3.6.1-lp150.2.3.1
      libsass-devel-3.6.1-lp150.2.3.1


References:

   https://www.suse.com/security/cve/CVE-2018-11499.html
   https://www.suse.com/security/cve/CVE-2018-19797.html
   https://www.suse.com/security/cve/CVE-2018-19827.html
   https://www.suse.com/security/cve/CVE-2018-19837.html
   https://www.suse.com/security/cve/CVE-2018-19838.html
   https://www.suse.com/security/cve/CVE-2018-19839.html
   https://www.suse.com/security/cve/CVE-2018-20190.html
   https://www.suse.com/security/cve/CVE-2018-20821.html
   https://www.suse.com/security/cve/CVE-2018-20822.html
   https://www.suse.com/security/cve/CVE-2019-6283.html
   https://www.suse.com/security/cve/CVE-2019-6284.html
   https://www.suse.com/security/cve/CVE-2019-6286.html
   https://bugzilla.suse.com/1096894
   https://bugzilla.suse.com/1118301
   https://bugzilla.suse.com/1118346
   https://bugzilla.suse.com/1118348
   https://bugzilla.suse.com/1118349
   https://bugzilla.suse.com/1118351
   https://bugzilla.suse.com/1119789
   https://bugzilla.suse.com/1121943
   https://bugzilla.suse.com/1121944
   https://bugzilla.suse.com/1121945
   https://bugzilla.suse.com/1133200
   https://bugzilla.suse.com/1133201

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