openSUSE Security Update: Security update for libsass
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Announcement ID: openSUSE-SU-2019:1883-1
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 Backports SLE-15-SP1
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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).

This update was imported from the openSUSE:Leap:15.0: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 Backports SLE-15-SP1:

zypper in -t patch openSUSE-2019-1883=1

Package List:

– openSUSE Backports SLE-15-SP1 (aarch64 ppc64le s390x x86_64):

libsass-3_6_1-1-3.6.1-bp151.4.3.1
libsass-devel-3.6.1-bp151.4.3.1

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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