{"id":"CVE-2019-17569","published":"2020-02-24T21:04:40Z","modified":"2024-08-05T01:40:15Z","title":"The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression","vendor":"Apache","product":"Apache Tomcat","tier":"tail","description":{"text":"The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.","provenance":"source","from":"CVE.org"},"cvss":null,"epss":{"score":0.08872,"percentile":0.95199,"provenance":"source"},"cwes":[],"references":[{"url":"https://lists.apache.org/thread.html/r88def002c5c78534674ca67472e035099fbe088813d50062094a1390%40%3Cannounce.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/03/msg00006.html","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.html","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://lists.apache.org/thread.html/rc31cbabb46cdc58bbdd8519a8f64b6236b2635a3922bbeba0f0e3743%40%3Ccommits.tomee.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r7bc994c965a34876bd94d5ff15b4e1e30b6220a15eb9b47c81915b78%40%3Ccommits.tomee.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.debian.org/security/2020/dsa-4673","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://www.debian.org/security/2020/dsa-4680","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20200327-0005/","tags":["x_refsource_CONFIRM"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["x_refsource_MISC"]}],"priority":{"score":19.0,"factors":[{"name":"EPSS percentile","points":19.04}]},"vendorSlug":"apache","affectedVersions":[{"vendor":"Apache","product":"Apache Tomcat","versions":["Apache Tomcat 9.0.28 to 9.0.30","8.5.48 to 8.5.50","7.0.98 to 7.0.99"]}],"affected":[{"ecosystem":"Maven","package":"org.apache.tomcat.embed:tomcat-embed-core","vulnerableRanges":[">=7.0.98, <7.0.100",">=8.5.48, <8.5.51",">=9.0.28, <9.0.31"],"patched":["7.0.100","8.5.51","9.0.31"],"from":["GHSA-767j-jfh2-jvrc"],"provenance":"source"},{"ecosystem":"Maven","package":"org.apache.tomcat:tomcat","vulnerableRanges":[">=7.0.98, <7.0.100",">=8.5.48, <8.5.51",">=9.0.28, <9.0.31"],"patched":["7.0.100","8.5.51","9.0.31"],"from":["GHSA-767j-jfh2-jvrc"],"provenance":"source"}],"euvd":{"id":"EUVD-2020-0293","exploited":false,"provenance":"source"},"lineage":{"packageHistory":[{"cve":"CVE-2019-10072","published":"2019-06-21","fixed":"9.0.20","kev":false},{"cve":"CVE-2019-12418","published":"2019-12-23","fixed":"9.0.29","kev":false,"link":{"from":"CVE-2019-12418","to":"CVE-2019-17569","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat.embed:tomcat-embed-core","fromFixed":"7.0.99","toFixed":"7.0.100","daysApart":63}]}},{"cve":"CVE-2019-17563","published":"2019-12-23","fixed":"9.0.30","kev":false,"link":{"from":"CVE-2019-17563","to":"CVE-2019-17569","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat.embed:tomcat-embed-core","fromFixed":"8.5.50","toFixed":"8.5.51","daysApart":63},{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat.embed:tomcat-embed-core","fromFixed":"9.0.30","toFixed":"9.0.31","daysApart":63}]}},{"cve":"CVE-2019-17569","published":"2020-02-24","fixed":"9.0.31","kev":false},{"cve":"CVE-2020-1935","published":"2020-02-24","fixed":"9.0.31","kev":false},{"cve":"CVE-2020-1938","published":"2020-02-24","fixed":"9.0.31","kev":true},{"cve":"CVE-2024-21733","published":"2024-01-19","fixed":"9.0.44","kev":false},{"cve":"CVE-2020-11996","published":"2020-06-26","fixed":"10.0.0-M5","kev":false,"link":{"from":"CVE-2019-17569","to":"CVE-2020-11996","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat:tomcat","fromFixed":"9.0.31","toFixed":"9.0.35","daysApart":123},{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat:tomcat","fromFixed":"8.5.51","toFixed":"8.5.55","daysApart":123}]}},{"cve":"CVE-2020-9484","published":"2020-05-20","fixed":"10.0.0-M5","kev":false,"link":{"from":"CVE-2019-17569","to":"CVE-2020-9484","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat.embed:tomcat-embed-core","fromFixed":"8.5.51","toFixed":"8.5.55","daysApart":86},{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat.embed:tomcat-embed-core","fromFixed":"9.0.31","toFixed":"9.0.35","daysApart":86}]}}],"package":"Maven:org.apache.tomcat.embed:tomcat-embed-core"}}