GSD-2019-5599

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading to resource exhaustion and a denial of service.
Aliases
Aliases
CVE-2019-5599
To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-5599",
    "description": "In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading to resource exhaustion and a denial of service.",
    "id": "GSD-2019-5599",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-5599.html",
      "https://advisories.mageia.org/CVE-2019-5599.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-5599"
      ],
      "details": "In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading to resource exhaustion and a denial of service.",
      "id": "GSD-2019-5599",
      "modified": "2023-12-13T01:23:54.979800Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2019-5599",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "FreeBSD",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "FreeBSD 12.0 before 12.0-RELEASE-p6"
                        }
                      ]
                    }
                  }
                ]
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              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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              {
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              }
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          }
        ]
      },
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        "reference_data": [
          {
            "name": "[oss-security] 20190617 Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service issues",
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          },
          {
            "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md",
            "refsource": "MISC",
            "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md"
          },
          {
            "name": "http://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html"
          },
          {
            "name": "FreeBSD-SA-19:08",
            "refsource": "FREEBSD",
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:08.rack.asc"
          },
          {
            "name": "VU#905115",
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            "url": "https://www.kb.cert.org/vuls/id/905115"
          },
          {
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          },
          {
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          },
          {
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            "url": "https://support.f5.com/csp/article/K75521003"
          },
          {
            "name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193",
            "refsource": "MISC",
            "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20190625-0004/",
            "refsource": "MISC",
            "url": "https://security.netapp.com/advisory/ntap-20190625-0004/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2019-5599"
        },
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        "data_version": "4.0",
        "description": {
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              "value": "In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading to resource exhaustion and a denial of service."
            }
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        },
        "problemtype": {
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                  "lang": "en",
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        },
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              "name": "http://packetstormsecurity.com/files/153378/FreeBSD-Security-Advisory-FreeBSD-SA-19-08.rack.html",
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              "url": "http://packetstormsecurity.com/files/153378/FreeBSD-Security-Advisory-FreeBSD-SA-19-08.rack.html"
            },
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              "url": "https://security.netapp.com/advisory/ntap-20190625-0004/"
            },
            {
              "name": "[oss-security] 20190617 Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service issues",
              "refsource": "MLIST",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2019/06/17/5"
            },
            {
              "name": "http://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html",
              "refsource": "MISC",
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              ],
              "url": "http://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html"
            },
            {
              "name": "20190624 FreeBSD Security Advisory FreeBSD-SA-19:08.rack",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-08-24T17:37Z",
      "publishedDate": "2019-07-02T21:15Z"
    }
  }
}


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