{"id":"USN-4451-2","summary":"ppp vulnerability","details":"USN-4451-1 fixed a vulnerability in ppp. This update provides\nthe corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative,\n  discovered that ppp incorrectly handled module loading. A local attacker\n could use this issue to load arbitrary kernel modules and possibly execute\n  arbitrary code.\n","modified":"2026-04-22T10:07:06.021833Z","published":"2020-08-06T14:10:43Z","related":["UBUNTU-CVE-2020-15704"],"upstream":["CVE-2020-15704","UBUNTU-CVE-2020-15704"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4451-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15704"}],"affected":[{"package":{"name":"ppp","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ppp@2.4.5-5.1ubuntu2.3+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.5-5.1ubuntu2.3+esm2"}]}],"versions":["2.4.5-5.1ubuntu2","2.4.5-5.1ubuntu2.1","2.4.5-5.1ubuntu2.2","2.4.5-5.1ubuntu2.3","2.4.5-5.1ubuntu2.3+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"ppp","binary_version":"2.4.5-5.1ubuntu2.3+esm2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2020-15704","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4451-2.json"}}],"schema_version":"1.7.5"}