fkie_cve-2018-20821
Vulnerability from fkie_nvd
Published
2019-04-23 14:29
Modified
2024-11-21 04:02
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlBroken Link
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlBroken Link
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlBroken Link
cve@mitre.orghttps://github.com/sass/libsass/issues/2658Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108https://github.com/sass/libsass/issues/2658Exploit, Patch, Third Party Advisory
Impacted products
Vendor Product Version
sass-lang libsass *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:sass-lang:libsass:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "7377DD2D-250C-48D1-92F9-55C557967804",
                     versionEndIncluding: "3.5.5",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).",
      },
      {
         lang: "es",
         value: "El componente de análisis en LibSass versión hasta 3.5.5 permite a los atacantes causar una denegación de servicio (recursión no controlada Sass::Parser::parse_css_variable_value in parser.cpp).",
      },
   ],
   id: "CVE-2018-20821",
   lastModified: "2024-11-21T04:02:15.457",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "MEDIUM",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 4.3,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 8.6,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: true,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 6.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2019-04-23T14:29:00.460",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Exploit",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/sass/libsass/issues/2658",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/sass/libsass/issues/2658",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-674",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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