{"id":"CVE-2016-6816","published":"2017-03-20T18:00:00Z","modified":"2024-11-14T20:05:46Z","title":"The code in Apache Tomcat 9.0.0.M1 to 9.0.0.M11, 8.5.0 to 8.5.6, 8.0.0.RC1 to 8.0.38, 7.0.0 to 7.0.72, and 6.0.0 to…","vendor":"Apache","product":"Apache Tomcat","tier":"tail","description":{"text":"The code in Apache Tomcat 9.0.0.M1 to 9.0.0.M11, 8.5.0 to 8.5.6, 8.0.0.RC1 to 8.0.38, 7.0.0 to 7.0.72, and 6.0.0 to 6.0.47 that parsed the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack and/or obtain sensitive information from requests other then their own.","provenance":"source","from":"CVE.org"},"cvss":null,"epss":{"score":0.39633,"percentile":0.98614,"provenance":"source"},"cwes":[],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2017-0250.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://www.exploit-db.com/exploits/41783/","tags":["exploit","x_refsource_EXPLOIT-DB"]},{"url":"https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.0.39","tags":["x_refsource_CONFIRM"]},{"url":"https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.0.M13","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securityfocus.com/bid/94461","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.debian.org/security/2016/dsa-3738","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.73","tags":["x_refsource_CONFIRM"]},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0244.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","tags":["x_refsource_CONFIRM"]},{"url":"https://access.redhat.com/errata/RHSA-2017:0935","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://security.netapp.com/advisory/ntap-20180607-0001/","tags":["x_refsource_CONFIRM"]},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0457.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0246.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://www.securitytracker.com/id/1037332","tags":["vdb-entry","x_refsource_SECTRACK"]},{"url":"https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.8","tags":["x_refsource_CONFIRM"]},{"url":"https://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.48","tags":["x_refsource_CONFIRM"]},{"url":"https://access.redhat.com/errata/RHSA-2017:0455","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0527.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0245.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2017:0456","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0247.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://usn.ubuntu.com/4557-1/","tags":["vendor-advisory","x_refsource_UBUNTU"]}],"priority":{"score":24.7,"factors":[{"name":"EPSS percentile","points":19.72},{"name":"Public exploit code","points":5.0}]},"exploitSources":{"exploitdb":{"count":1,"earliest":"2017-04-04"},"first":{"date":"2017-04-04","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/41783"},"provenance":"source"},"vendorSlug":"apache","affectedVersions":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","versions":["9.0.0.M1 to 9.0.0.M11","8.5.0 to 8.5.6","8.0.0.RC1 to 8.0.38","7.0.0 to 7.0.72","6.0.0 to 6.0.47","Earlier, unsupported versions may also be affected."]}],"affected":[{"ecosystem":"Maven","package":"org.apache.tomcat:tomcat-coyote","vulnerableRanges":[">=9.0.0.M1, <9.0.0.M12",">=8.5.0, <8.5.8",">=8.0.0RC1, <8.0.39",">=7.0.0, <7.0.73",">=6.0.0, <6.0.48"],"patched":["9.0.0.M12","8.5.8","8.0.39","7.0.73","6.0.48"],"from":["GHSA-jc7p-5r39-9477"],"provenance":"source"}],"euvd":{"id":"EUVD-2022-4326","exploited":false,"provenance":"source"},"exploits":[{"id":41783,"url":"https://www.exploit-db.com/exploits/41783","title":"Apache Tomcat 6/7/8/9 - Information Disclosure","date":"2017-04-04","verified":false,"provenance":"source"}],"exploitRefs":["https://www.exploit-db.com/exploits/41783/","https://www.exploit-db.com/exploits/41783"],"lineage":{"familyId":"fam-apache-tomcat-cve-2011-0534","parents":[{"from":"CVE-2011-0534","to":"CVE-2016-6816","relation":"related","confidence":"medium","kind":"lineage","evidence":[{"kind":"same-code","provenance":"machine","files":["java/org/apache/coyote/http11/InternalNioInputBuffer.java"],"commits":["https://github.com/apache/tomcat/commit/008447095ce8c3a8f713093d5e618f3f06f94ea8","https://github.com/apache/tomcat/commit/516bda676ac8d0284da3e0295a7df70391315360","https://github.com/apache/tomcat/commit/cdc0a935c2173aff60039a0b85e57a461381107c"],"basis":"shared function","functions":["InternalNioInputBuffer","fill","parseHeaders","parseRequestLine"]}]}],"children":[{"from":"CVE-2016-6816","to":"CVE-2022-42252","relation":"related","confidence":"medium","kind":"lineage","evidence":[{"kind":"same-code","provenance":"machine","files":["java/org/apache/coyote/http11/Http11InputBuffer.java"],"commits":["https://github.com/apache/tomcat/commit/516bda676ac8d0284da3e0295a7df70391315360","https://github.com/apache/tomcat/commit/cdc0a935c2173aff60039a0b85e57a461381107c","https://github.com/apache/tomcat/commit/0d089a15047faf9cb3c82f80f4d28febd4798920","https://github.com/apache/tomcat/commit/4c7f4fd09d2cc1692112ef70b8ee23a7a037ae77"],"basis":"shared function","functions":["parseHeader"]}]},{"from":"CVE-2016-6816","to":"CVE-2023-45648","relation":"related","confidence":"medium","kind":"lineage","evidence":[{"kind":"same-code","provenance":"machine","files":["java/org/apache/coyote/http11/Http11InputBuffer.java"],"commits":["https://github.com/apache/tomcat/commit/516bda676ac8d0284da3e0295a7df70391315360","https://github.com/apache/tomcat/commit/cdc0a935c2173aff60039a0b85e57a461381107c","https://github.com/apache/tomcat/commit/59583245639d8c42ae0009f4a4a70464d3ea70a0","https://github.com/apache/tomcat/commit/8ecff306507be8e4fd3adee1ae5de1ea6661a8f4"],"basis":"shared function","functions":["parseHeader"]}]}],"packageHistory":[{"cve":"CVE-2014-0095","published":"2014-05-31","fixed":"8.0.4","kev":false},{"cve":"CVE-2023-28709","published":"2023-05-22","fixed":"8.5.88","kev":false},{"cve":"CVE-2023-34981","published":"2023-06-21","fixed":"8.5.89","kev":false},{"cve":"CVE-2016-6816","published":"2017-03-20","fixed":"9.0.0.M12","kev":false},{"cve":"CVE-2017-5651","published":"2017-04-17","fixed":"9.0.0.M19","kev":false,"link":{"from":"CVE-2016-6816","to":"CVE-2017-5651","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat:tomcat-coyote","fromFixed":"9.0.0.M12","toFixed":"9.0.0.M19","daysApart":28},{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat:tomcat-coyote","fromFixed":"8.5.8","toFixed":"8.5.13","daysApart":28}]}},{"cve":"CVE-2019-0199","published":"2019-04-10","fixed":"9.0.16","kev":false},{"cve":"CVE-2024-21733","published":"2024-01-19","fixed":"9.0.44","kev":false}],"package":"Maven:org.apache.tomcat:tomcat-coyote"}}