fkie_cve-2022-37451
Vulnerability from fkie_nvd
Published
2022-08-06 18:15
Modified
2024-11-21 07:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
References
cve@mitre.orghttps://cwe.mitre.org/data/definitions/762.htmlThird Party Advisory
cve@mitre.orghttps://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42Patch, Third Party Advisory
cve@mitre.orghttps://github.com/Exim/exim/compare/exim-4.95...exim-4.96Release Notes, Third Party Advisory
cve@mitre.orghttps://github.com/Exim/exim/wiki/EximSecurityRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/ivd38/exim_invalid_freeExploit, Patch, Third Party Advisory
cve@mitre.orghttps://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.htmlMailing List, Release Notes, Vendor Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
cve@mitre.orghttps://www.exim.org/static/doc/security/Vendor Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2022/08/06/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cwe.mitre.org/data/definitions/762.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exim/exim/compare/exim-4.95...exim-4.96Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exim/exim/wiki/EximSecurityRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ivd38/exim_invalid_freeExploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.htmlMailing List, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
af854a3a-2127-422b-91ae-364da2661108https://www.exim.org/static/doc/security/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2022/08/06/1Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
exim exim *
fedoraproject fedora 35
fedoraproject fedora 36


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "17916062-EE08-476D-8DF0-8EEC3F974AAF",
                     versionEndExcluding: "4.96",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                     matchCriteriaId: "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*",
                     matchCriteriaId: "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.",
      },
      {
         lang: "es",
         value: "Exim versiones anteriores a 4.96, presenta una liberación no válida en el archivo pam_converse en auths/call_pam.c porque store_free no es usada después de store_malloc",
      },
   ],
   id: "CVE-2022-37451",
   lastModified: "2024-11-21T07:15:00.393",
   metrics: {
      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: "2022-08-06T18:15:08.967",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://cwe.mitre.org/data/definitions/762.html",
      },
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      },
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      },
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      },
      {
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   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-763",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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