{"id":"UBUNTU-CVE-2018-11574","details":"Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected.","modified":"2026-04-22T11:42:00.971454Z","published":"2018-06-14T00:00:00Z","related":["USN-3810-1"],"upstream":["CVE-2018-11574"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11574"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2018/06/11/1"},{"type":"REPORT","url":"https://www.nikhef.nl/~janjust/ppp/ppp-2.4.7-eaptls-mppe-1.101.patch"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3810-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=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_name":"ppp","binary_version":"2.4.5-5.1ubuntu2.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11574.json"}},{"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_name":"ppp","binary_version":"2.4.7-1+2ubuntu1.16.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11574.json"}},{"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_name":"ppp","binary_version":"2.4.7-2+2ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11574.json"}}],"schema_version":"1.7.5","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"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}