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

Vulnerability from cvelistv5 – Published: 2022-10-20 00:00 – Updated: 2025-04-15 13:25
VLAI?
Summary
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 ?
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
References
Impacted products
Vendor Product Version
unspecified Exim Affected: n/a
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    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"Exim DMARC dmarc.c dmarc_dns_lookup use after free\", \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2022-11-14T00:00:00.000Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"affected\": [{\"vendor\": \"unspecified\", \"product\": \"Exim\", \"versions\": [{\"version\": \"n/a\", \"status\": \"affected\"}]}], \"references\": [{\"url\": \"https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445\"}, {\"url\": \"https://vuldb.com/?id.211919\"}, {\"name\": \"FEDORA-2022-ebbac924d3\", \"tags\": [\"vendor-advisory\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV2K2AWF62FSJ64B5CUZPFT4COK7P5PM/\"}, {\"name\": \"FEDORA-2022-ebd5bb0478\", \"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/\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\", \"baseScore\": 5.6, \"baseSeverity\": \"MEDIUM\"}}], \"problemTypes\": [{\"descriptions\": [{\"type\": \"CWE\", \"lang\": \"en\", \"description\": \"CWE-119 Memory Corruption -\u003e CWE-416 Use After Free\", \"cweId\": \"CWE-119\"}]}], \"x_generator\": \"vuldb.com\"}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T01:14:02.510Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://vuldb.com/?id.211919\", \"tags\": [\"x_transferred\"]}, {\"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\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-3620\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-14T17:08:15.156328Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-14T17:08:17.791Z\"}}]}",
      "cveMetadata": "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2022-3620\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"assignerShortName\": \"VulDB\", \"dateUpdated\": \"2025-04-15T13:25:57.357Z\", \"dateReserved\": \"2022-10-20T00:00:00.000Z\", \"datePublished\": \"2022-10-20T00:00:00.000Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




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.