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GSD-2018-6789

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
Aliases
Aliases
CVE-2018-6789
To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-6789",
    "description": "An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.",
    "id": "GSD-2018-6789",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-6789.html",
      "https://www.debian.org/security/2018/dsa-4110",
      "https://ubuntu.com/security/CVE-2018-6789",
      "https://security.archlinux.org/CVE-2018-6789",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-6789.html",
      "https://packetstormsecurity.com/files/cve/CVE-2018-6789"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-6789"
      ],
      "details": "An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.",
      "id": "GSD-2018-6789",
      "modified": "2023-12-13T01:22:35.558553Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "cveID": "CVE-2018-6789",
      "dateAdded": "2021-11-03",
      "dueDate": "2022-05-03",
      "product": "Exim",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Issue in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.",
      "vendorProject": "Exim",
      "vulnerabilityName": "Exim Buffer Overflow Vulnerability"
    },
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          }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-06-03T18:15Z",
      "publishedDate": "2018-02-08T23:29Z"
    }
  }
}



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Sightings

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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.
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  • 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.


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