opensuse-su-2019:1883-1
Vulnerability from csaf_opensuse
Published
2019-08-14 10:51
Modified
2019-08-14 10:51
Summary
Security update for libsass

Notes

Title of the patch
Security update for libsass
Description of the patch
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.
Patchnames
openSUSE-2019-1883
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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        "title": "Title of the patch"
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        "text": "This update for libsass to version 3.6.1 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-6283: Fixed heap-buffer-overflow in Sass::Prelexer::parenthese_scope(char const*) (boo#1121943).\n- CVE-2019-6284: Fixed heap-based buffer over-read exists in Sass:Prelexer:alternatives (boo#1121944).\n- CVE-2019-6286: Fixed heap-based buffer over-read exists in Sass:Prelexer:skip_over_scopes (boo#1121945).\n- CVE-2018-11499: Fixed use-after-free vulnerability in sass_context.cpp:handle_error (boo#1096894).\n- CVE-2018-19797: Disallowed parent selector in selector_fns arguments (boo#1118301).\n- CVE-2018-19827: Fixed use-after-free vulnerability exists in the SharedPtr class (boo#1118346).\n- CVE-2018-19837: Fixed stack overflow in Eval::operator() (boo#1118348).\n- CVE-2018-19838: Fixed stack-overflow at IMPLEMENT_AST_OPERATORS expansion (boo#1118349).\n- CVE-2018-19839: Fixed buffer-overflow (OOB read) against some invalid input (boo#1118351).\n- CVE-2018-20190: Fixed Null pointer dereference in Sass::Eval::operator()(Sass::Supports_Operator*) (boo#1119789).\n- CVE-2018-20821: Fixed uncontrolled recursion in Sass:Parser:parse_css_variable_value (boo#1133200).\n- CVE-2018-20822: Fixed stack-overflow at Sass::Inspect::operator() (boo#1133201).\n\nThis update was imported from the openSUSE:Leap:15.0:Update update project.",
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      "cve": "CVE-2018-11499",
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          "text": "https://www.suse.com/security/cve/CVE-2018-11499"
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        {
          "category": "general",
          "text": "A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact.",
          "title": "CVE description"
        }
      ],
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          "summary": "SUSE Bug 1096894 for CVE-2018-11499",
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      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "date": "2019-08-14T10:51:26Z",
          "details": "critical"
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      "title": "CVE-2018-11499"
    },
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        {
          "category": "general",
          "text": "In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19797",
          "url": "https://www.suse.com/security/cve/CVE-2018-19797"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1118301 for CVE-2018-19797",
          "url": "https://bugzilla.suse.com/1118301"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
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            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.s390x",
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      "threats": [
        {
          "category": "impact",
          "date": "2019-08-14T10:51:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-19797"
    },
    {
      "cve": "CVE-2018-19827",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19827"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19827",
          "url": "https://www.suse.com/security/cve/CVE-2018-19827"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1118346 for CVE-2018-19827",
          "url": "https://bugzilla.suse.com/1118346"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.aarch64",
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      "scores": [
        {
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            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
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            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.s390x",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.x86_64",
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      "threats": [
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          "category": "impact",
          "date": "2019-08-14T10:51:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-19827"
    },
    {
      "cve": "CVE-2018-19837",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19837"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, because of certain incorrect parsing of \u0027%\u0027 as a modulo operator in parser.cpp.",
          "title": "CVE description"
        }
      ],
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19837",
          "url": "https://www.suse.com/security/cve/CVE-2018-19837"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1118348 for CVE-2018-19837",
          "url": "https://bugzilla.suse.com/1118348"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.aarch64",
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            "version": "3.0"
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            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.s390x",
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          "date": "2019-08-14T10:51:26Z",
          "details": "moderate"
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      "title": "CVE-2018-19837"
    },
    {
      "cve": "CVE-2018-19838",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19838"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demonstrated by recursive calls involving clone(), cloneChildren(), and copy().",
          "title": "CVE description"
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          "summary": "CVE-2018-19838",
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          "summary": "SUSE Bug 1118349 for CVE-2018-19838",
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        {
          "category": "vendor_fix",
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            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.aarch64",
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      "title": "CVE-2018-19838"
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    {
      "cve": "CVE-2018-19839",
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        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19839"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.",
          "title": "CVE description"
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        {
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      "scores": [
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      "threats": [
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          "date": "2019-08-14T10:51:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-19839"
    },
    {
      "cve": "CVE-2018-20190",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-20190"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input file.",
          "title": "CVE description"
        }
      ],
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        {
          "category": "external",
          "summary": "CVE-2018-20190",
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          "url": "https://www.suse.com/security/cve/CVE-2019-6286"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1121945 for CVE-2019-6286",
          "url": "https://bugzilla.suse.com/1121945"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.aarch64",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.ppc64le",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.s390x",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.x86_64",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.aarch64",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.ppc64le",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.s390x",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.aarch64",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.ppc64le",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.s390x",
            "SUSE Package Hub 15 SP1:libsass-3_6_1-1-3.6.1-bp151.4.3.1.x86_64",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.aarch64",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.ppc64le",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.s390x",
            "SUSE Package Hub 15 SP1:libsass-devel-3.6.1-bp151.4.3.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-08-14T10:51:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2019-6286"
    }
  ]
}


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