fkie_cve-2022-37451
Vulnerability from fkie_nvd
Published
2022-08-06 18:15
Modified
2024-11-21 07:15
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



{
  "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 liberaci\u00f3n no v\u00e1lida en el archivo pam_converse en auths/call_pam.c porque store_free no es usada despu\u00e9s 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"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Exim/exim/compare/exim-4.95...exim-4.96"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Exim/exim/wiki/EximSecurity"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ivd38/exim_invalid_free"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.exim.org/static/doc/security/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://www.openwall.com/lists/oss-security/2022/08/06/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cwe.mitre.org/data/definitions/762.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Exim/exim/compare/exim-4.95...exim-4.96"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Exim/exim/wiki/EximSecurity"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ivd38/exim_invalid_free"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.exim.org/static/doc/security/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://www.openwall.com/lists/oss-security/2022/08/06/1"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-763"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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