GSD-2017-15130

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
Aliases
Aliases
CVE-2017-15130
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{
  "GSD": {
    "alias": "CVE-2017-15130",
    "description": "A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.",
    "id": "GSD-2017-15130",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-15130.html",
      "https://www.debian.org/security/2018/dsa-4130",
      "https://ubuntu.com/security/CVE-2017-15130",
      "https://advisories.mageia.org/CVE-2017-15130.html",
      "https://security.archlinux.org/CVE-2017-15130"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2017-15130"
      ],
      "details": "A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.",
      "id": "GSD-2017-15130",
      "modified": "2023-12-13T01:20:59.426043Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "DATE_PUBLIC": "2018-02-28T00:00:00",
        "ID": "CVE-2017-15130",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
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                  {
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                    "version": {
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                        }
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          }
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                "value": "CWE-400"
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          },
          {
            "name": "[oss-security] 20180301 Dovecot Security Advisory: CVE-2017-15130 TLS SNI config lookups are inefficient and can be used for DoS",
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          },
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          },
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          },
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          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
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              {
                "cpe23Uri": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.2.34",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
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            "children": [],
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            }
          ]
        },
        "problemtype": {
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            {
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                  "value": "NVD-CWE-noinfo"
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        },
        "references": {
          "reference_data": [
            {
              "name": "[dovecot-news] 20180228 v2.2.34 released",
              "refsource": "MLIST",
              "tags": [
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                "Vendor Advisory"
              ],
              "url": "https://www.dovecot.org/list/dovecot-news/2018-February/000370.html"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1532356",
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              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1532356"
            },
            {
              "name": "[oss-security] 20180301 Dovecot Security Advisory: CVE-2017-15130 TLS SNI config lookups are inefficient and can be used for DoS",
              "refsource": "MLIST",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "http://seclists.org/oss-sec/2018/q1/205"
            },
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              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html"
            },
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              "tags": [],
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-10-03T00:03Z",
      "publishedDate": "2018-03-02T15:29Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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