CVE-2016-6817
Vulnerability from cvelistv5
Published
2017-08-10 22:00
Modified
2024-10-15 19:01
Severity ?
EPSS score ?
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.
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Apache Software Foundation | Apache Tomcat |
{ "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\"}]}}" } }
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.