fkie_cve-2021-34548
Vulnerability from fkie_nvd
Published
2021-06-29 11:15
Modified
2024-11-21 06:10
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003. An attacker can forge RELAY_END or RELAY_RESOLVED to bypass the intended access control for ending a stream.
References
cve@mitre.orghttp://packetstormsecurity.com/files/163510/Tor-Half-Closed-Connection-Stream-Confusion.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttps://blog.torproject.org/node/2041Release Notes, Vendor Advisory
cve@mitre.orghttps://gitlab.torproject.org/tpo/core/tor/-/issues/40389Broken Link
cve@mitre.orghttps://security.gentoo.org/glsa/202107-25Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/163510/Tor-Half-Closed-Connection-Stream-Confusion.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://blog.torproject.org/node/2041Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.torproject.org/tpo/core/tor/-/issues/40389Broken Link
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-25Third Party Advisory
Impacted products
Vendor Product Version
torproject tor *
torproject tor *
torproject tor *
torproject tor *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "C2666B22-DC07-4BFA-A756-3DC4E970EBDD",
                     versionEndExcluding: "0.3.5.15",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "072B35B0-7EBF-4652-BB89-12B4BEC9A8EF",
                     versionEndExcluding: "0.4.4.9",
                     versionStartIncluding: "0.4.0.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "57ED9234-622B-4B0D-8E29-2851A87DE0D1",
                     versionEndExcluding: "0.4.5.9",
                     versionStartIncluding: "0.4.5.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "EFD89230-DBEF-4134-9C42-8187CE542B7C",
                     versionEndExcluding: "0.4.6.5",
                     versionStartIncluding: "0.4.6.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003. An attacker can forge RELAY_END or RELAY_RESOLVED to bypass the intended access control for ending a stream.",
      },
      {
         lang: "es",
         value: "Se ha detectado un problema en Tor versiones anteriores a 0.4.6.5, también se conoce como TROVE-2021-003. Un atacante puede falsificar las funciones  RELAY_END o RELAY_RESOLVED para omitir el control de acceso previsto para terminar un flujo",
      },
   ],
   id: "CVE-2021-34548",
   lastModified: "2024-11-21T06:10:38.977",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 5,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-06-29T11:15:07.883",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
            "VDB Entry",
         ],
         url: "http://packetstormsecurity.com/files/163510/Tor-Half-Closed-Connection-Stream-Confusion.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://blog.torproject.org/node/2041",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Broken Link",
         ],
         url: "https://gitlab.torproject.org/tpo/core/tor/-/issues/40389",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202107-25",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
            "VDB Entry",
         ],
         url: "http://packetstormsecurity.com/files/163510/Tor-Half-Closed-Connection-Stream-Confusion.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://blog.torproject.org/node/2041",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Broken Link",
         ],
         url: "https://gitlab.torproject.org/tpo/core/tor/-/issues/40389",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202107-25",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-290",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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