gsd-2009-0021
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.
Aliases
Aliases
CVE-2009-0021


To clipboard 

{
  "GSD": {
    "alias": "CVE-2009-0021",
    "description": "NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.",
    "id": "GSD-2009-0021",
    "references": [
      "https://www.suse.com/security/cve/CVE-2009-0021.html",
      "https://www.debian.org/security/2009/dsa-1702",
      "https://access.redhat.com/errata/RHSA-2009:0046",
      "https://linux.oracle.com/cve/CVE-2009-0021.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2009-0021"
      ],
      "details": "NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.",
      "id": "GSD-2009-0021",
      "modified": "2023-12-13T01:19:44.296956Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2009-0021",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html"
          },
          {
            "name": "http://secunia.com/advisories/34642",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/34642"
          },
          {
            "name": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html",
            "refsource": "MISC",
            "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
          },
          {
            "name": "http://secunia.com/advisories/35074",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/35074"
          },
          {
            "name": "http://support.apple.com/kb/HT3549",
            "refsource": "MISC",
            "url": "http://support.apple.com/kb/HT3549"
          },
          {
            "name": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html",
            "refsource": "MISC",
            "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
          },
          {
            "name": "http://www.vupen.com/english/advisories/2009/1297",
            "refsource": "MISC",
            "url": "http://www.vupen.com/english/advisories/2009/1297"
          },
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html"
          },
          {
            "name": "http://secunia.com/advisories/33406",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/33406"
          },
          {
            "name": "http://secunia.com/advisories/33558",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/33558"
          },
          {
            "name": "http://secunia.com/advisories/33648",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/33648"
          },
          {
            "name": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2009\u0026m=slackware-security.531177",
            "refsource": "MISC",
            "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2009\u0026m=slackware-security.531177"
          },
          {
            "name": "http://www.ocert.org/advisories/ocert-2008-016.html",
            "refsource": "MISC",
            "url": "http://www.ocert.org/advisories/ocert-2008-016.html"
          },
          {
            "name": "http://www.redhat.com/support/errata/RHSA-2009-0046.html",
            "refsource": "MISC",
            "url": "http://www.redhat.com/support/errata/RHSA-2009-0046.html"
          },
          {
            "name": "http://www.securityfocus.com/archive/1/499827/100/0/threaded",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/archive/1/499827/100/0/threaded"
          },
          {
            "name": "http://www.securitytracker.com/id?1021533",
            "refsource": "MISC",
            "url": "http://www.securitytracker.com/id?1021533"
          },
          {
            "name": "http://www.vupen.com/english/advisories/2009/0042",
            "refsource": "MISC",
            "url": "http://www.vupen.com/english/advisories/2009/0042"
          },
          {
            "name": "https://lists.ntp.org/pipermail/announce/2009-January/000055.html",
            "refsource": "MISC",
            "url": "https://lists.ntp.org/pipermail/announce/2009-January/000055.html"
          },
          {
            "name": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10035",
            "refsource": "MISC",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10035"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.4p1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.2:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.4p3:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.4p2:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.2.4p4",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2009-0021"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-287"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.ocert.org/advisories/ocert-2008-016.html",
              "refsource": "MISC",
              "tags": [],
              "url": "http://www.ocert.org/advisories/ocert-2008-016.html"
            },
            {
              "name": "33406",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/33406"
            },
            {
              "name": "SSA:2009-014-03",
              "refsource": "SLACKWARE",
              "tags": [],
              "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2009\u0026m=slackware-security.531177"
            },
            {
              "name": "[announce] 20090108 NTP 4.2.4p6 Released",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.ntp.org/pipermail/announce/2009-January/000055.html"
            },
            {
              "name": "33558",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/33558"
            },
            {
              "name": "33648",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/33648"
            },
            {
              "name": "RHSA-2009:0046",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://www.redhat.com/support/errata/RHSA-2009-0046.html"
            },
            {
              "name": "1021533",
              "refsource": "SECTRACK",
              "tags": [],
              "url": "http://www.securitytracker.com/id?1021533"
            },
            {
              "name": "SUSE-SR:2009:005",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html"
            },
            {
              "name": "SUSE-SR:2009:008",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html"
            },
            {
              "name": "34642",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/34642"
            },
            {
              "name": "ADV-2009-1297",
              "refsource": "VUPEN",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.vupen.com/english/advisories/2009/1297"
            },
            {
              "name": "http://support.apple.com/kb/HT3549",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://support.apple.com/kb/HT3549"
            },
            {
              "name": "35074",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/35074"
            },
            {
              "name": "APPLE-SA-2009-05-12",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
            },
            {
              "name": "TA09-133A",
              "refsource": "CERT",
              "tags": [
                "US Government Resource"
              ],
              "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
            },
            {
              "name": "ADV-2009-0042",
              "refsource": "VUPEN",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.vupen.com/english/advisories/2009/0042"
            },
            {
              "name": "oval:org.mitre.oval:def:10035",
              "refsource": "OVAL",
              "tags": [],
              "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10035"
            },
            {
              "name": "20090107 [oCERT-2008-016] Multiple OpenSSL signature verification API misuses",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/499827/100/0/threaded"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-10-11T20:58Z",
      "publishedDate": "2009-01-07T17:30Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.