{"id":"UBUNTU-CVE-2018-1046","details":"pdns before version 4.1.2 is vulnerable to a buffer overflow in dnsreplay. In the dnsreplay tool provided with PowerDNS Authoritative, replaying a specially crafted PCAP file can trigger a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution. This buffer overflow only occurs when the -ecs-stamp option of dnsreplay is used.","modified":"2026-02-04T03:53:22.092181Z","published":"2018-07-16T20:29:00Z","related":["USN-7203-1"],"upstream":["CVE-2018-1046"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1046"},{"type":"REPORT","url":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-02.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1046"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7203-1"}],"affected":[{"package":{"name":"pdns","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/pdns@4.1.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1-1ubuntu0.1~esm1"}]}],"versions":["4.0.4-2","4.0.4-2build1","4.0.5-1","4.1.0-1","4.1.0-2","4.1.0-2build1","4.1.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-bind"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-geoip"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-ldap"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-lua"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-mydns"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-mysql"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-odbc"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-opendbx"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-pgsql"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-pipe"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-remote"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-sqlite3"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-backend-tinydns"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-server"},{"binary_version":"4.1.1-1ubuntu0.1~esm1","binary_name":"pdns-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1046.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}