fkie_cve-2021-41816
Vulnerability from fkie_nvd
Published
2022-02-06 21:15
Modified
2024-11-21 06:26
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.
References
cve@mitre.orghttps://hackerone.com/reports/1328463Permissions Required, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
cve@mitre.orghttps://security-tracker.debian.org/tracker/CVE-2021-41816Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202401-27
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20220303-0006/Third Party Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1328463Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2021-41816Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202401-27
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220303-0006/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/Exploit, Vendor Advisory
Impacted products
Vendor Product Version
ruby-lang cgi *
ruby-lang cgi *
ruby-lang ruby *
ruby-lang cgi *
ruby-lang ruby *
fedoraproject fedora 34
fedoraproject fedora 35


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*",
                     matchCriteriaId: "BDC4A7B5-ED99-4BA3-A016-89134C733059",
                     versionEndExcluding: "0.3.1",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*",
                     matchCriteriaId: "D4772765-264E-4A9E-80A8-CA0DFFAB3E11",
                     versionEndIncluding: "0.2.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D4499575-33A0-47D7-A88B-0E6FD2340792",
                     versionEndExcluding: "3.0.3",
                     versionStartIncluding: "3.0.0",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*",
                     matchCriteriaId: "74619D97-ACF1-4F91-A7D3-50B893FFAEBF",
                     versionEndIncluding: "0.1.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D7B53365-0B48-4408-A4A7-9A3744F89F07",
                     versionEndExcluding: "2.7.5",
                     versionStartIncluding: "2.7.0",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                     matchCriteriaId: "A930E247-0B43-43CB-98FF-6CE7B8189835",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                     matchCriteriaId: "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.",
      },
      {
         lang: "es",
         value: "El archivo CGI.escape_html en Ruby versiones anteriores a 2.7.5 y 3.x versiones anteriores a 3.0.3, presenta un desbordamiento de enteros y un desbordamiento de búfer resultante por medio de una cadena larga en plataformas (como Windows) donde size_t y long tienen diferentes números de bytes. Esto también afecta a CGI gem versiones anteriores a 0.3.1 para Ruby",
      },
   ],
   id: "CVE-2021-41816",
   lastModified: "2024-11-21T06:26:48.520",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 7.5,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 6.4,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 9.8,
               baseSeverity: "CRITICAL",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2022-02-06T21:15:07.887",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Permissions Required",
            "Third Party Advisory",
         ],
         url: "https://hackerone.com/reports/1328463",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security-tracker.debian.org/tracker/CVE-2021-41816",
      },
      {
         source: "cve@mitre.org",
         url: "https://security.gentoo.org/glsa/202401-27",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20220303-0006/",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Exploit",
            "Vendor Advisory",
         ],
         url: "https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Permissions Required",
            "Third Party Advisory",
         ],
         url: "https://hackerone.com/reports/1328463",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security-tracker.debian.org/tracker/CVE-2021-41816",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.gentoo.org/glsa/202401-27",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20220303-0006/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Vendor Advisory",
         ],
         url: "https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-190",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.