gsd-2006-0883
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.
Aliases
Aliases
CVE-2006-0883


To clipboard 

{
  "GSD": {
    "alias": "CVE-2006-0883",
    "description": "OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.",
    "id": "GSD-2006-0883",
    "references": [
      "https://www.suse.com/security/cve/CVE-2006-0883.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2006-0883"
      ],
      "details": "OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.",
      "id": "GSD-2006-0883",
      "modified": "2023-12-13T01:19:51.008207Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secteam@freebsd.org",
        "ID": "CVE-2006-0883",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
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            "value": "OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
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                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "ADV-2006-0805",
            "refsource": "VUPEN",
            "url": "http://www.vupen.com/english/advisories/2006/0805"
          },
          {
            "name": "FreeBSD-SA-06:09",
            "refsource": "FREEBSD",
            "url": "ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:09.openssh.asc"
          },
          {
            "name": "23797",
            "refsource": "OSVDB",
            "url": "http://www.osvdb.org/23797"
          },
          {
            "name": "1015706",
            "refsource": "SECTRACK",
            "url": "http://securitytracker.com/id?1015706"
          },
          {
            "name": "520",
            "refsource": "SREASON",
            "url": "http://securityreason.com/securityalert/520"
          },
          {
            "name": "16892",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/16892"
          },
          {
            "name": "openssh-openpam-dos(25116)",
            "refsource": "XF",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/25116"
          },
          {
            "name": "http://bugzilla.mindrot.org/show_bug.cgi?id=839",
            "refsource": "CONFIRM",
            "url": "http://bugzilla.mindrot.org/show_bug.cgi?id=839"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.3:stable:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.4:pre-release:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
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                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.4:release:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.4:releng:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.3:release:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:5.3:releng:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2006-0883"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-399"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "FreeBSD-SA-06:09",
              "refsource": "FREEBSD",
              "tags": [],
              "url": "ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:09.openssh.asc"
            },
            {
              "name": "16892",
              "refsource": "BID",
              "tags": [
                "Patch"
              ],
              "url": "http://www.securityfocus.com/bid/16892"
            },
            {
              "name": "1015706",
              "refsource": "SECTRACK",
              "tags": [
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              ],
              "url": "http://securitytracker.com/id?1015706"
            },
            {
              "name": "http://bugzilla.mindrot.org/show_bug.cgi?id=839",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://bugzilla.mindrot.org/show_bug.cgi?id=839"
            },
            {
              "name": "23797",
              "refsource": "OSVDB",
              "tags": [],
              "url": "http://www.osvdb.org/23797"
            },
            {
              "name": "520",
              "refsource": "SREASON",
              "tags": [],
              "url": "http://securityreason.com/securityalert/520"
            },
            {
              "name": "ADV-2006-0805",
              "refsource": "VUPEN",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.vupen.com/english/advisories/2006/0805"
            },
            {
              "name": "openssh-openpam-dos(25116)",
              "refsource": "XF",
              "tags": [],
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/25116"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2017-07-20T01:30Z",
      "publishedDate": "2006-03-07T02:02Z"
    }
  }
}


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