ubuntu-cve-2018-0500
Vulnerability from osv_ubuntu
Published
2018-07-11 00:00
Modified
2026-04-22 07:38
Summary
Details

Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).

Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "curl",
            "binary_version": "7.58.0-2ubuntu3.2"
          },
          {
            "binary_name": "libcurl3-gnutls",
            "binary_version": "7.58.0-2ubuntu3.2"
          },
          {
            "binary_name": "libcurl3-nss",
            "binary_version": "7.58.0-2ubuntu3.2"
          },
          {
            "binary_name": "libcurl4",
            "binary_version": "7.58.0-2ubuntu3.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "curl",
        "purl": "pkg:deb/ubuntu/curl@7.58.0-2ubuntu3.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.58.0-2ubuntu3.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.55.1-1ubuntu2",
        "7.55.1-1ubuntu2.1",
        "7.57.0-1ubuntu1",
        "7.58.0-2ubuntu1",
        "7.58.0-2ubuntu2",
        "7.58.0-2ubuntu3",
        "7.58.0-2ubuntu3.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).",
  "id": "UBUNTU-CVE-2018-0500",
  "modified": "2026-04-22T07:38:28Z",
  "published": "2018-07-11T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-0500"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3710-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-0500"
    }
  ],
  "related": [
    "USN-3710-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-0500"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
  • 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.