{"id":"USN-3810-1","summary":"ppp vulnerability","details":"Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS\nprotocol. A remote attacker could use this issue to cause ppp to crash,\nresulting in a denial of service, or possibly bypass authentication.\n","modified":"2026-04-22T09:52:16.201606Z","published":"2018-11-06T16:12:08Z","related":["UBUNTU-CVE-2018-11574"],"upstream":["CVE-2018-11574","UBUNTU-CVE-2018-11574"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3810-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11574"}],"affected":[{"package":{"name":"ppp","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ppp@2.4.5-5.1ubuntu2.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.5-5.1ubuntu2.3"}]}],"versions":["2.4.5-5.1ubuntu2","2.4.5-5.1ubuntu2.1","2.4.5-5.1ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.5-5.1ubuntu2.3","binary_name":"ppp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3810-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2018-11574","severity":[{"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","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"ppp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ppp@2.4.7-1+2ubuntu1.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1+2ubuntu1.16.04.1"}]}],"versions":["2.4.6-3.1ubuntu1","2.4.7-1+1ubuntu1","2.4.7-1+2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.7-1+2ubuntu1.16.04.1","binary_name":"ppp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3810-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2018-11574","severity":[{"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","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"ppp","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ppp@2.4.7-2+2ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-2+2ubuntu1.1"}]}],"versions":["2.4.7-1+2ubuntu1","2.4.7-1+4ubuntu1","2.4.7-1+4ubuntu3","2.4.7-2+1ubuntu1","2.4.7-2+2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.7-2+2ubuntu1.1","binary_name":"ppp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3810-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2018-11574","severity":[{"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","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}