{"id":"UBUNTU-CVE-2016-0818","details":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","modified":"2025-09-08T16:43:35Z","published":"2016-03-12T21:59:00Z","upstream":["CVE-2016-0818"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-0818"},{"type":"REPORT","url":"http://source.android.com/security/bulletin/2016-03-01.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-0818"}],"affected":[{"package":{"name":"android","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/android@20160307-0742-0ubuntu3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20160307-0742-0ubuntu3"}]}],"versions":["20150818-1500-0ubuntu2","20150818-1500-0ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"android","binary_version":"20160307-0742-0ubuntu3"},{"binary_name":"android-copyright","binary_version":"20160307-0742-0ubuntu3"},{"binary_name":"android-emulator","binary_version":"20160307-0742-0ubuntu3"},{"binary_name":"ubuntu-emulator-images","binary_version":"20160307-0742-0ubuntu3"},{"binary_name":"ubuntu-emulator-runtime","binary_version":"20160307-0742-0ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-0818.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]}