{"id":"USN-6042-1","summary":"cloud-init vulnerability","details":"James Golovich discovered that sensitive data could be exposed in logs. An\nattacker could use this information to find hashed passwords and possibly\nescalate their privilege.\n","modified":"2026-05-20T16:03:22.701344224Z","published":"2023-04-26T17:59:50Z","related":["UBUNTU-CVE-2023-1786"],"upstream":["CVE-2023-1786","UBUNTU-CVE-2023-1786"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6042-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-1786"},{"type":"REPORT","url":"https://bugs.launchpad.net/cloud-init/+bug/2013967"}],"affected":[{"package":{"name":"cloud-init","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/cloud-init?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1-19-gbad84ad4-0ubuntu1~16.04.4"}]}],"versions":["0.7.7~bzr1149-0ubuntu1","0.7.7~bzr1154-0ubuntu1","0.7.7~bzr1155-0ubuntu1","0.7.7~bzr1156-0ubuntu1","0.7.7~bzr1156-0ubuntu2","0.7.7~bzr1160-0ubuntu1","0.7.7~bzr1176-0ubuntu1","0.7.7~bzr1182-0ubuntu1","0.7.7~bzr1189-0ubuntu1","0.7.7~bzr1192-0ubuntu1","0.7.7~bzr1192-0ubuntu2","0.7.7~bzr1200-0ubuntu1","0.7.7~bzr1208-0ubuntu1","0.7.7~bzr1209-0ubuntu1","0.7.7~bzr1212-0ubuntu1","0.7.7~bzr1246-0ubuntu1~16.04.1","0.7.7~bzr1256-0ubuntu1~16.04.1","0.7.8-1-g3705bb5-0ubuntu1~16.04.1","0.7.8-1-g3705bb5-0ubuntu1~16.04.3","0.7.8-49-g9e904bb-0ubuntu1~16.04.1","0.7.8-49-g9e904bb-0ubuntu1~16.04.2","0.7.8-49-g9e904bb-0ubuntu1~16.04.3","0.7.8-49-g9e904bb-0ubuntu1~16.04.4","0.7.9-0ubuntu1~16.04.2","0.7.9-48-g1c795b9-0ubuntu1~16.04.1","0.7.9-90-g61eb03fe-0ubuntu1~16.04.1","0.7.9-113-g513e99e0-0ubuntu1~16.04.1","0.7.9-153-g16a7302f-0ubuntu1~16.04.1","0.7.9-153-g16a7302f-0ubuntu1~16.04.2","0.7.9-233-ge586fe35-0ubuntu1~16.04.1","0.7.9-233-ge586fe35-0ubuntu1~16.04.2","17.1-27-geb292c18-0ubuntu1~16.04.1","17.1-46-g7acc9e68-0ubuntu1~16.04.1","17.2-35-gf576b2a2-0ubuntu1~16.04.2","18.2-4-g05926e48-0ubuntu1~16.04.1","18.2-4-g05926e48-0ubuntu1~16.04.2","18.3-9-g2e62cb8a-0ubuntu1~16.04.2","18.4-0ubuntu1~16.04.2","18.5-21-g8ee294d5-0ubuntu1~16.04.1","18.5-45-g3554ffe8-0ubuntu1~16.04.1","19.1-1-gbaa47854-0ubuntu1~16.04.1","19.2-24-ge7881d5c-0ubuntu1~16.04.1","19.2-36-g059d049c-0ubuntu1~16.04.1","19.2-36-g059d049c-0ubuntu2~16.04.1","19.3-41-gc4735dd3-0ubuntu1~16.04.1","19.4-33-gbb4131a2-0ubuntu1~16.04.1","20.2-45-g5f7825e2-0ubuntu1~16.04.1","20.3-2-g371b392c-0ubuntu1~16.04.1","20.4-0ubuntu1~16.04.1","20.4-0ubuntu1~16.04.2","20.4.1-0ubuntu1~16.04.1","21.1-19-gbad84ad4-0ubuntu1~16.04.1","21.1-19-gbad84ad4-0ubuntu1~16.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"cloud-init","binary_version":"21.1-19-gbad84ad4-0ubuntu1~16.04.4"},{"binary_name":"ec2-init","binary_version":"21.1-19-gbad84ad4-0ubuntu1~16.04.4"},{"binary_version":"21.1-19-gbad84ad4-0ubuntu1~16.04.4","binary_name":"grub-legacy-ec2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6042-1.json"}},{"package":{"name":"cloud-init","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/cloud-init?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.1.2-0ubuntu0~18.04.1"}]}],"versions":["17.1-18-gd4f70470-0ubuntu1","17.1-25-g17a15f9e-0ubuntu1~17.10.1","17.1-25-g17a15f9e-0ubuntu1","17.1-27-geb292c18-0ubuntu1","17.1-41-g76243487-0ubuntu1","17.1-46-g7acc9e68-0ubuntu1","17.1-51-g05b2308a-0ubuntu1","17.1-53-ga5dc0f42-0ubuntu1","17.1-58-g703241a3-0ubuntu1","17.1-60-ga30a3bb5-0ubuntu1","17.2-1-g4089e20c-0ubuntu1","17.2-9-gdf24daa8-0ubuntu1","17.2-13-g6299e8d0-0ubuntu1","17.2-20-g32a6a176-0ubuntu1","17.2-25-gc03bdd3d-0ubuntu1","17.2-30-gf7deaf15-0ubuntu1","17.2-34-g644048e3-0ubuntu1","18.1-0ubuntu1","18.1-5-g40e77380-0ubuntu1","18.1-17-g97012fbb-0ubuntu1","18.1-23-gde34dc7c-0ubuntu1","18.1-26-g685f9901-0ubuntu1","18.1-35-ge0f644b7-0ubuntu1","18.1-35-ge0f644b7-0ubuntu2","18.2-0ubuntu1","18.2-4-g05926e48-0ubuntu1","18.2-4-g05926e48-0ubuntu2","18.2-9-g49b562c9-0ubuntu1","18.2-14-g6d48d265-0ubuntu1","18.2-27-g6ef92c98-0ubuntu1~18.04.1","18.3-9-g2e62cb8a-0ubuntu1~18.04.2","18.4-0ubuntu1~18.04.1","18.5-21-g8ee294d5-0ubuntu1~18.04.1","18.5-45-g3554ffe8-0ubuntu1~18.04.1","19.1-1-gbaa47854-0ubuntu1~18.04.1","19.2-24-ge7881d5c-0ubuntu1~18.04.1","19.2-36-g059d049c-0ubuntu1~18.04.1","19.2-36-g059d049c-0ubuntu2~18.04.1","19.3-41-gc4735dd3-0ubuntu1~18.04.1","19.4-33-gbb4131a2-0ubuntu1~18.04.1","20.2-45-g5f7825e2-0ubuntu1~18.04.1","20.3-2-g371b392c-0ubuntu1~18.04.1","20.4-0ubuntu1~18.04.1","20.4-0ubuntu1~18.04.2","20.4.1-0ubuntu1~18.04.1","21.1-19-gbad84ad4-0ubuntu1~18.04.1","21.1-19-gbad84ad4-0ubuntu1~18.04.2","21.2-3-g899bfaa9-0ubuntu2~18.04.1","21.3-1-g6803368d-0ubuntu1~18.04.3","21.3-1-g6803368d-0ubuntu1~18.04.4","21.4-0ubuntu1~18.04.1","22.1-14-g2e17a0d6-0ubuntu1~18.04.2","22.1-14-g2e17a0d6-0ubuntu1~18.04.3","22.2-0ubuntu1~18.04.1","22.2-0ubuntu1~18.04.2","22.2-0ubuntu1~18.04.3","22.3.4-0ubuntu1~18.04.1","22.4.2-0ubuntu0~18.04.1","23.1.1-0ubuntu0~18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"23.1.2-0ubuntu0~18.04.1","binary_name":"cloud-init"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"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"}],"id":"CVE-2023-1786"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6042-1.json"}},{"package":{"name":"cloud-init","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/cloud-init?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.1.2-0ubuntu0~20.04.1"}]}],"versions":["19.2-36-g059d049c-0ubuntu3","19.2-78-ge8138959-0ubuntu1","19.3-0ubuntu1","19.3-23-gfb04493e-0ubuntu1","19.3-30-g4bc399e0-0ubuntu1","19.3-40-gf69d33a7-0ubuntu1","19.3-41-gc4735dd3-0ubuntu1","19.3-74-g129b1c4e-0ubuntu1","19.4-1-g8c96cbc1-0ubuntu1","19.4-16-gf8950d63-0ubuntu1","19.4-31-g3f6192b3-0ubuntu1","19.4-33-gbb4131a2-0ubuntu1","19.4-56-g06e324ff-0ubuntu1","20.1-0ubuntu1","20.1-5-g67c8e53c-0ubuntu1","20.1-9-g1f860e5a-0ubuntu1","20.1-10-g71af48df-0ubuntu1","20.1-10-g71af48df-0ubuntu2","20.1-10-g71af48df-0ubuntu3","20.1-10-g71af48df-0ubuntu5","20.2-45-g5f7825e2-0ubuntu1~20.04.1","20.3-2-g371b392c-0ubuntu1~20.04.1","20.4-0ubuntu1~20.04.1","20.4-0ubuntu1~20.04.2","20.4.1-0ubuntu1~20.04.1","21.1-19-gbad84ad4-0ubuntu1~20.04.1","21.1-19-gbad84ad4-0ubuntu1~20.04.2","21.2-3-g899bfaa9-0ubuntu2~20.04.1","21.3-1-g6803368d-0ubuntu1~20.04.3","21.3-1-g6803368d-0ubuntu1~20.04.4","21.4-0ubuntu1~20.04.1","22.1-14-g2e17a0d6-0ubuntu1~20.04.2","22.1-14-g2e17a0d6-0ubuntu1~20.04.3","22.2-0ubuntu1~20.04.1","22.2-0ubuntu1~20.04.2","22.2-0ubuntu1~20.04.3","22.3.4-0ubuntu1~20.04.1","22.4.2-0ubuntu0~20.04.1","22.4.2-0ubuntu0~20.04.2","23.1.1-0ubuntu0~20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"23.1.2-0ubuntu0~20.04.1","binary_name":"cloud-init"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"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"}],"id":"CVE-2023-1786"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6042-1.json"}},{"package":{"name":"cloud-init","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cloud-init?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.1.2-0ubuntu0~22.04.1"}]}],"versions":["21.3-1-g6803368d-0ubuntu3","21.4-0ubuntu1~22.04.1","21.4-25-g039c40f9-0ubuntu1~22.04.1","21.4-119-gdeb3ae82-0ubuntu1~22.04.1","21.4-119-gdeb3ae82-0ubuntu1~22.04.2","22.1-1-gb3d9acdd-0ubuntu1~22.04.1","22.1-14-g2e17a0d6-0ubuntu1~22.04.1","22.1-14-g2e17a0d6-0ubuntu1~22.04.2","22.1-14-g2e17a0d6-0ubuntu1~22.04.3","22.1-14-g2e17a0d6-0ubuntu1~22.04.4","22.1-14-g2e17a0d6-0ubuntu1~22.04.5","22.2-0ubuntu1~22.04.1","22.2-0ubuntu1~22.04.2","22.2-0ubuntu1~22.04.3","22.3.4-0ubuntu1~22.04.1","22.4.2-0ubuntu0~22.04.1","23.1.1-0ubuntu0~22.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"23.1.2-0ubuntu0~22.04.1","binary_name":"cloud-init"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"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"}],"id":"CVE-2023-1786"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6042-1.json"}}],"schema_version":"1.7.5"}