cve-2016-6817
Vulnerability from cvelistv5
Published
2017-08-10 22:00
Modified
2024-10-15 19:01
Summary
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:43:37.979Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "1037330",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1037330"
          },
          {
            "name": "[announce] 20161122 [SECURITY] CVE-2016-6817 Apache Tomcat Denial of Service",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20180607-0001/"
          },
          {
            "name": "94462",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94462"
          },
          {
            "name": "[tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E"
          },
          {
            "name": "[tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E"
          },
          {
            "name": "[tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E"
          },
          {
            "name": "[tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2016-6817",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-15T17:30:17.261626Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-835",
                "description": "CWE-835 Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-15T19:01:10.556Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache Tomcat",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "9.0.0.M1 to 9.0.0.M11"
            },
            {
              "status": "affected",
              "version": "8.5.0 to 8.5.6"
            }
          ]
        }
      ],
      "datePublic": "2016-11-22T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-04-15T15:06:09",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "name": "1037330",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037330"
        },
        {
          "name": "[announce] 20161122 [SECURITY] CVE-2016-6817 Apache Tomcat Denial of Service",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20180607-0001/"
        },
        {
          "name": "94462",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94462"
        },
        {
          "name": "[tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@apache.org",
          "DATE_PUBLIC": "2016-11-22T00:00:00",
          "ID": "CVE-2016-6817",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Apache Tomcat",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "9.0.0.M1 to 9.0.0.M11"
                          },
                          {
                            "version_value": "8.5.0 to 8.5.6"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apache Software Foundation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "1037330",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1037330"
            },
            {
              "name": "[announce] 20161122 [SECURITY] CVE-2016-6817 Apache Tomcat Denial of Service",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a@%3Cannounce.tomcat.apache.org%3E"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20180607-0001/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20180607-0001/"
            },
            {
              "name": "94462",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/94462"
            },
            {
              "name": "[tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551@%3Cdev.tomcat.apache.org%3E"
            },
            {
              "name": "[tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E"
            },
            {
              "name": "[tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a@%3Cdev.tomcat.apache.org%3E"
            },
            {
              "name": "[tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3@%3Cdev.tomcat.apache.org%3E"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2016-6817",
    "datePublished": "2017-08-10T22:00:00Z",
    "dateReserved": "2016-08-12T00:00:00",
    "dateUpdated": "2024-10-15T19:01:10.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-6817\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2017-08-10T22:29:00.233\",\"lastModified\":\"2024-10-15T19:35:07.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.\"},{\"lang\":\"es\",\"value\":\"El parser de cabecera HTTP/2 en Apache Tomcat en sus versiones 9.0.0.M1 a 9.0.0.M11 y 8.5.0 a 8.5.6 entraba en un bucle infinito si la cabecera recibida era mayor que el b\u00fafer disponible. Esto hizo que fuese posible realizar un ataque de denegaci\u00f3n de servicio.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"69A7FC28-A0EC-4516-9776-700343D2F4DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"18814653-6D44-47D9-A2F5-89C5AFB255F8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4D811A9-4988-4C11-AA27-F5BE2B93D8D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FAEF824D-7E95-4BC1-8DBB-787DCE595E21\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"97F4A2B3-DB1D-4D0B-B5FF-7EE2A0D291BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B461D5A-1208-498F-B551-46C6D514AC2B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:8.5.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"598E5D91-0165-4D55-9EDD-EBB5AAAD1172\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D0689FE-4BC0-4F53-8C79-34B21F9B86C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*\",\"matchCriteriaId\":\"89B129B2-FB6F-4EF9-BF12-E589A87996CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B6787B6-54A8-475E-BA1C-AB99334B2535\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*\",\"matchCriteriaId\":\"9F542E12-6BA8-4504-A494-DA83E7E19BD5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*\",\"matchCriteriaId\":\"C0C5F004-F7D8-45DB-B173-351C50B0EC16\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1902D2E-1896-4D3D-9E1C-3A675255072C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*\",\"matchCriteriaId\":\"49AAF4DF-F61D-47A8-8788-A21E317A145D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*\",\"matchCriteriaId\":\"454211D0-60A2-4661-AECA-4C0121413FEB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*\",\"matchCriteriaId\":\"0686F977-889F-4960-8E0B-7784B73A7F2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*\",\"matchCriteriaId\":\"558703AE-DB5E-4DFF-B497-C36694DD7B24\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED6273F2-1165-47A4-8DD7-9E9B2472941B\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/94462\",\"source\":\"security@apache.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037330\",\"source\":\"security@apache.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E\",\"source\":\"security@apache.org\"},{\"url\":\"https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E\",\"source\":\"security@apache.org\"},{\"url\":\"https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E\",\"source\":\"security@apache.org\"},{\"url\":\"https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E\",\"source\":\"security@apache.org\"},{\"url\":\"https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E\",\"source\":\"security@apache.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20180607-0001/\",\"source\":\"security@apache.org\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...
  • 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.