{"id":"USN-4734-1","summary":"wpa vulnerabilities","details":"It was discovered that wpa_supplicant did not properly handle P2P\n(Wi-Fi Direct) group information in some situations, leading to a\nheap overflow. A physically proximate attacker could use this to cause a\ndenial of service or possibly execute arbitrary code. (CVE-2021-0326)\n\nIt was discovered that hostapd did not properly handle UPnP subscribe\nmessages in some circumstances. An attacker could use this to cause a\ndenial of service. (CVE-2020-12695)\n","modified":"2026-04-27T15:48:47.749406164Z","published":"2021-02-11T22:22:17Z","related":["UBUNTU-CVE-2020-12695","UBUNTU-CVE-2021-0326"],"upstream":["CVE-2020-12695","CVE-2021-0326","UBUNTU-CVE-2020-12695","UBUNTU-CVE-2021-0326"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4734-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12695"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-0326"}],"affected":[{"package":{"name":"wpa","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/wpa@2.4-0ubuntu6.7?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4-0ubuntu6.7"}]}],"versions":["2.4-0ubuntu3","2.4-0ubuntu4","2.4-0ubuntu5","2.4-0ubuntu6","2.4-0ubuntu6.2","2.4-0ubuntu6.3","2.4-0ubuntu6.4","2.4-0ubuntu6.5","2.4-0ubuntu6.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:2.4-0ubuntu6.7","binary_name":"hostapd"},{"binary_version":"2.4-0ubuntu6.7","binary_name":"wpagui"},{"binary_version":"2.4-0ubuntu6.7","binary_name":"wpasupplicant"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4734-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12695"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2021-0326"}]}}},{"package":{"name":"wpa","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/wpa@2:2.6-15ubuntu2.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-15ubuntu2.7"}]}],"versions":["2.4-0ubuntu10","2:2.4-1.1ubuntu1","2:2.6-15ubuntu1","2:2.6-15ubuntu2","2:2.6-15ubuntu2.1","2:2.6-15ubuntu2.2","2:2.6-15ubuntu2.3","2:2.6-15ubuntu2.4","2:2.6-15ubuntu2.5","2:2.6-15ubuntu2.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2:2.6-15ubuntu2.7","binary_name":"hostapd"},{"binary_version":"2:2.6-15ubuntu2.7","binary_name":"wpagui"},{"binary_version":"2:2.6-15ubuntu2.7","binary_name":"wpasupplicant"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4734-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12695"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2021-0326"}]}}},{"package":{"name":"wpa","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/wpa@2:2.9-1ubuntu4.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.9-1ubuntu4.2"}]}],"versions":["2:2.9-1ubuntu2","2:2.9-1ubuntu3","2:2.9-1ubuntu4","2:2.9-1ubuntu4.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2:2.9-1ubuntu4.2","binary_name":"hostapd"},{"binary_version":"2:2.9-1ubuntu4.2","binary_name":"wpagui"},{"binary_version":"2:2.9-1ubuntu4.2","binary_name":"wpasupplicant"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4734-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12695"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2021-0326"}]}}}],"schema_version":"1.7.5"}