github - ghsa-jcq6-47h7-2c66

GHSA-JCQ6-47H7-2C66

Vulnerability from github – Published: 2022-10-21 12:00 – Updated: 2025-05-23 18:31

Details

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2022-3620"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119",
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-10-20T20:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.",
  "id": "GHSA-jcq6-47h7-2c66",
  "modified": "2025-05-23T18:31:52Z",
  "published": "2022-10-21T12:00:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3620"
    },
    {
      "type": "WEB",
      "url": "https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/667V3ADXQ2MHUJMSXA3VZZEWLVSCIBEU"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV2K2AWF62FSJ64B5CUZPFT4COK7P5PM"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/667V3ADXQ2MHUJMSXA3VZZEWLVSCIBEU"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XV2K2AWF62FSJ64B5CUZPFT4COK7P5PM"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.211919"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-3620 (GCVE-0-2022-3620)

Vulnerability from cvelistv5 – Published: 2022-10-20 00:00 – Updated: 2025-04-15 13:25

Summary

Severity ?

5.6 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-119 - Memory Corruption -> CWE-416 Use After Free

Assigner

VulDB

References

URL

Tags

	https://git.exim.org/exim.git/commit/12fb3842f81b…
	https://vuldb.com/?id.211919
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory

Impacted products

	Vendor	Product	Version
	unspecified	Exim	Affected: n/a

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:14:02.510Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.211919"
          },
          {
            "name": "FEDORA-2022-ebbac924d3",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV2K2AWF62FSJ64B5CUZPFT4COK7P5PM/"
          },
          {
            "name": "FEDORA-2022-ebd5bb0478",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/667V3ADXQ2MHUJMSXA3VZZEWLVSCIBEU/"
          },
          {
            "name": "FEDORA-2022-90e08c08e6",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-3620",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-14T17:08:15.156328Z",
                "version": "2.0.3"
              },
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        },
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    ],
    "cna": {
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          "vendor": "unspecified",
          "versions": [
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      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
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      "problemTypes": [
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      "references": [
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          "url": "https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445"
        },
        {
          "url": "https://vuldb.com/?id.211919"
        },
        {
          "name": "FEDORA-2022-ebbac924d3",
          "tags": [
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          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV2K2AWF62FSJ64B5CUZPFT4COK7P5PM/"
        },
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          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/667V3ADXQ2MHUJMSXA3VZZEWLVSCIBEU/"
        },
        {
          "name": "FEDORA-2022-90e08c08e6",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV/"
        }
      ],
      "title": "Exim DMARC dmarc.c dmarc_dns_lookup use after free",
      "x_generator": "vuldb.com"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2022-3620",
    "datePublished": "2022-10-20T00:00:00.000Z",
    "dateReserved": "2022-10-20T00:00:00.000Z",
    "dateUpdated": "2025-04-15T13:25:57.357Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JCQ6-47H7-2C66

CVE-2022-3620 (GCVE-0-2022-3620)

Tags

Sightings

Nomenclature