{"id":"CVE-2016-10743","aliases":["DEBIAN-CVE-2016-10743","DLA-1733-1","EUVD-2016-1740","GHSA-9m94-6895-mgv3","UBUNTU-CVE-2016-10743","USN-3944-1"],"status":"published","title":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random()...","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02372,"percentile":0.83937,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-332"],"published":"2019-03-23T00:00:00Z","modified":"2026-10-20T10:47:29Z","fixes":[{"ecosystem":"Debian:12","package":"wpa","fixed_in":["2:2.6-7"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wpa","fixed_in":["2:2.6-7"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wpa","fixed_in":["2:2.6-7"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"wpa","fixed_in":["2.3-1+deb8u7"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"wpa","fixed_in":["2.1-0ubuntu1.7"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"wpa","fixed_in":["2.4-0ubuntu6.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-7"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-7"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-7"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3-1+deb8u7"}]}],"versions":["2.3-1","2.3-1+deb8u1","2.3-1+deb8u2","2.3-1+deb8u3","2.3-1+deb8u4","2.3-1+deb8u5","2.3-1+deb8u6"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1-0ubuntu1.7"}]}],"versions":["1.0-3ubuntu2","1.0-3ubuntu3","1.0-3ubuntu4","2.1-0ubuntu1","2.1-0ubuntu1.1","2.1-0ubuntu1.2","2.1-0ubuntu1.3","2.1-0ubuntu1.4","2.1-0ubuntu1.5","2.1-0ubuntu1.6"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4-0ubuntu6.4"}]}],"versions":["2.4-0ubuntu3","2.4-0ubuntu4","2.4-0ubuntu5","2.4-0ubuntu6","2.4-0ubuntu6.2","2.4-0ubuntu6.3"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1-0ubuntu1.7"}]}],"versions":["1.0-3ubuntu2","1.0-3ubuntu3","1.0-3ubuntu4","2.1-0ubuntu1","2.1-0ubuntu1.1","2.1-0ubuntu1.2","2.1-0ubuntu1.3","2.1-0ubuntu1.4","2.1-0ubuntu1.5","2.1-0ubuntu1.6"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4-0ubuntu6.4"}]}],"versions":["2.4-0ubuntu3","2.4-0ubuntu4","2.4-0ubuntu5","2.4-0ubuntu6","2.4-0ubuntu6.2","2.4-0ubuntu6.3"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wpa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-15ubuntu2.2"}]}],"versions":["2.4-0ubuntu10","2:2.4-1.1ubuntu1","2:2.6-15ubuntu1","2:2.6-15ubuntu2","2:2.6-15ubuntu2.1"],"bundled":5}],"products":[{"vendor":"w1.fi","product":"hostapd"}],"references":[{"url":"https://w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00035.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://usn.ubuntu.com/3944-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2020/02/27/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2020/02/27/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://seclists.org/fulldisclosure/2020/Feb/26","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","web"]},{"url":"http://packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10743"},{"url":"https://github.com/advisories/GHSA-9m94-6895-mgv3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-10743","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-10743","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3944-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-10743","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-9495","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-9497","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-9498","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-9499","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-10743","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2019-03-23T18:55:50Z","modified":"2024-08-06T03:30:20.386Z","updated_at":"2026-11-02T14:33:31.450804Z"}],"euvd":[{"id":"EUVD-2016-1740","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2019-03-23T18:55:50Z","modified":"2024-08-06T03:30:20Z","updated_at":"2026-11-03T02:22:23.66215Z"}],"ghsa":[{"id":"GHSA-9m94-6895-mgv3","title":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random()...","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2022-05-14T01:11:02Z","modified":"2023-02-02T05:03:13Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T14:51:35.560043Z"}],"nvd":[{"id":"CVE-2016-10743","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2019-03-23T19:29:00.21Z","modified":"2026-06-17T00:40:16.62Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T14:03:39.621168Z"}],"osv":[{"id":"CVE-2016-10743","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2019-03-23T19:29:00.21Z","modified":"2026-10-20T10:47:29.320776681Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:01.531338Z"},{"id":"DEBIAN-CVE-2016-10743","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2019-03-23T19:29:00.21Z","modified":"2026-09-22T07:01:12.586631061Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"UBUNTU-CVE-2016-10743","description":"hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.","status":"published","published":"2019-03-23T00:00:00Z","modified":"2026-02-04T02:38:40.208236Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:11.492576Z"},{"id":"DLA-1733-1","title":"wpa - security update","status":"published","published":"2019-03-28T00:00:00Z","modified":"2026-03-09T01:22:57.009815Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"USN-3944-1","title":"wpa vulnerabilities","description":"It was discovered that wpa_supplicant and hostapd were vulnerable to a\nside channel attack against EAP-pwd. A remote attacker could possibly use\nthis issue to recover certain passwords. (CVE-2019-9495)\n\nMathy Vanhoef discovered that wpa_supplicant and hostapd incorrectly\nvalidated received scalar and element values in EAP-pwd-Commit messages. A\nremote attacker could possibly use this issue to perform a reflection\nattack and authenticate without the appropriate password. (CVE-2019-9497,\nCVE-2019-9498, CVE-2019-9499)\n\nIt was discovered that hostapd incorrectly handled obtaining random\nnumbers. In rare cases where the urandom device isn't available, it would\nfall back to using a low-quality PRNG. This issue only affected Ubuntu\n14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10743)\n","status":"published","published":"2019-04-10T16:53:57Z","modified":"2026-02-10T04:41:31Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}