It was discovered that wpa_supplicant did not properly handle P2P (Wi-Fi Direct) provision discovery requests in some situations. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.
{ "binaries": [ { "binary_name": "hostapd", "binary_version": "1:2.4-0ubuntu6.8" }, { "binary_name": "wpagui", "binary_version": "2.4-0ubuntu6.8" }, { "binary_name": "wpasupplicant", "binary_version": "2.4-0ubuntu6.8" } ], "availability": "No subscription required" }
{ "ecosystem": "Ubuntu:16.04:LTS", "cves": [ { "id": "CVE-2021-27803", "severity": [ { "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ] } ] }
{ "binaries": [ { "binary_name": "hostapd", "binary_version": "2:2.6-15ubuntu2.8" }, { "binary_name": "wpagui", "binary_version": "2:2.6-15ubuntu2.8" }, { "binary_name": "wpasupplicant", "binary_version": "2:2.6-15ubuntu2.8" } ], "availability": "No subscription required" }
{ "ecosystem": "Ubuntu:18.04:LTS", "cves": [ { "id": "CVE-2021-27803", "severity": [ { "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ] } ] }
{ "binaries": [ { "binary_name": "hostapd", "binary_version": "2:2.9-1ubuntu4.3" }, { "binary_name": "wpagui", "binary_version": "2:2.9-1ubuntu4.3" }, { "binary_name": "wpasupplicant", "binary_version": "2:2.9-1ubuntu4.3" } ], "availability": "No subscription required" }
{ "ecosystem": "Ubuntu:20.04:LTS", "cves": [ { "id": "CVE-2021-27803", "severity": [ { "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ] } ] }