{"id":"USN-4557-1","summary":"tomcat6 vulnerabilities","details":"It was discovered that the Tomcat realm implementations incorrectly handled\npasswords when a username didn't exist. A remote attacker could possibly\nuse this issue to enumerate usernames. (CVE-2016-0762)\n\nAlvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly\nlimited use of a certain utility method. A malicious application could\npossibly use this to bypass Security Manager restrictions. (CVE-2016-5018)\n\nIt was discovered that Tomcat incorrectly controlled reading system\nproperties. A malicious application could possibly use this to bypass\nSecurity Manager restrictions. (CVE-2016-6794)\n\nIt was discovered that Tomcat incorrectly controlled certain configuration\nparameters. A malicious application could possibly use this to bypass\nSecurity Manager restrictions. (CVE-2016-6796)\n\nIt was discovered that Tomcat incorrectly limited access to global JNDI\nresources. A malicious application could use this to access any global JNDI\nresource without an explicit ResourceLink. (CVE-2016-6797)\n\nRegis Leroy discovered that Tomcat incorrectly filtered certain invalid\ncharacters from the HTTP request line. A remote attacker could possibly\nuse this issue to inject data into HTTP responses. (CVE-2016-6816)\n\nPierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did not\nimplement a recommended fix. A remote attacker could possibly use this\nissue to execute arbitrary code. (CVE-2016-8735)\n","modified":"2026-04-27T15:48:19.341693990Z","published":"2020-09-30T12:55:19Z","related":["UBUNTU-CVE-2016-0762","UBUNTU-CVE-2016-5018","UBUNTU-CVE-2016-6794","UBUNTU-CVE-2016-6796","UBUNTU-CVE-2016-6797","UBUNTU-CVE-2016-6816","UBUNTU-CVE-2016-8735"],"upstream":["CVE-2016-0762","CVE-2016-5018","CVE-2016-6794","CVE-2016-6796","CVE-2016-6797","CVE-2016-6816","CVE-2016-8735","UBUNTU-CVE-2016-0762","UBUNTU-CVE-2016-5018","UBUNTU-CVE-2016-6794","UBUNTU-CVE-2016-6796","UBUNTU-CVE-2016-6797","UBUNTU-CVE-2016-6816","UBUNTU-CVE-2016-8735"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4557-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-0762"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-5018"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6794"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6796"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6797"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6816"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-8735"}],"affected":[{"package":{"name":"tomcat6","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/tomcat6@6.0.45+dfsg-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.45+dfsg-1ubuntu0.1"}]}],"versions":["6.0.41-4","6.0.45+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.0.45+dfsg-1ubuntu0.1","binary_name":"libservlet2.5-java"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2016-0762","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2016-6794","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2016-6796","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2016-6797"},{"id":"CVE-2016-6816","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2016-8735","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4557-1.json"}}],"schema_version":"1.7.5"}