{"id":"USN-4531-1","summary":"busybox vulnerability","details":"It was discovered that the BusyBox wget applet incorrectly validated SSL\ncertificates. A remote attacker could possibly use this issue to intercept\nsecure communications.\n","modified":"2026-02-10T04:41:56Z","published":"2020-09-22T13:57:23Z","related":["UBUNTU-CVE-2018-1000500"],"upstream":["CVE-2018-1000500","UBUNTU-CVE-2018-1000500"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4531-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1000500"}],"affected":[{"package":{"name":"busybox","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/busybox@1:1.27.2-2ubuntu3.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.3"}]}],"versions":["1:1.22.0-19ubuntu2","1:1.27.2-1ubuntu3","1:1.27.2-1ubuntu4","1:1.27.2-2ubuntu2","1:1.27.2-2ubuntu3","1:1.27.2-2ubuntu3.1","1:1.27.2-2ubuntu3.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.27.2-2ubuntu3.3","binary_name":"busybox"},{"binary_version":"1:1.27.2-2ubuntu3.3","binary_name":"busybox-initramfs"},{"binary_version":"1:1.27.2-2ubuntu3.3","binary_name":"busybox-static"},{"binary_version":"1:1.27.2-2ubuntu3.3","binary_name":"busybox-syslogd"},{"binary_version":"1:1.27.2-2ubuntu3.3","binary_name":"udhcpc"},{"binary_version":"1:1.27.2-2ubuntu3.3","binary_name":"udhcpd"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/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:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1000500"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4531-1.json"}},{"package":{"name":"busybox","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/busybox@1:1.30.1-4ubuntu6.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.30.1-4ubuntu6.2"}]}],"versions":["1:1.30.1-4ubuntu4","1:1.30.1-4ubuntu5","1:1.30.1-4ubuntu6","1:1.30.1-4ubuntu6.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.30.1-4ubuntu6.2","binary_name":"busybox"},{"binary_version":"1:1.30.1-4ubuntu6.2","binary_name":"busybox-initramfs"},{"binary_version":"1:1.30.1-4ubuntu6.2","binary_name":"busybox-static"},{"binary_version":"1:1.30.1-4ubuntu6.2","binary_name":"busybox-syslogd"},{"binary_version":"1:1.30.1-4ubuntu6.2","binary_name":"udhcpc"},{"binary_version":"1:1.30.1-4ubuntu6.2","binary_name":"udhcpd"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/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:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1000500"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4531-1.json"}}],"schema_version":"1.7.3"}