{"id":"CVE-2018-17281","details":"There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0 and Certified Asterisk through 13.21-cert2. It allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket.","modified":"2026-10-24T10:30:20.999722575Z","published":"2018-09-24T22:29:01.580Z","database_specific":{"unresolved_ranges":[{"vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"source":"CPE_STRING","range":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}]}]}]},"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105389"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1041694"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201811-11"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4320"},{"type":"REPORT","url":"https://issues.asterisk.org/jira/browse/ASTERISK-28013"},{"type":"FIX","url":"http://downloads.asterisk.org/pub/security/AST-2018-009.html"},{"type":"FIX","url":"http://seclists.org/fulldisclosure/2018/Sep/31"},{"type":"FIX","url":"https://seclists.org/bugtraq/2018/Sep/53"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/asterisk/asterisk","events":[{"introduced":"85335355efb2d7914a1fe20ed31afcef15fd210c"},{"last_affected":"8ac08a916c7fcc1ceecf3d682a1877c46deab626"},{"introduced":"c6d6dd133c3db3b202f1f0d457780c9a6d841e0f"},{"last_affected":"fdaecead781e4216a68c672ad0864ca895a47141"},{"introduced":"d4cc63728def7ca06ad3f70547de87bc5c9ef7c0"},{"last_affected":"8b6edb7502ee79f73ce3d8396e8f06ce00f8f042"},{"introduced":"bf004c4584649d080979c4f877a6e9d3e793467c"},{"last_affected":"742007f881f8cb04fe543fba4dbe5404589d9f14"}],"database_specific":{"extracted_events":[{"cpe":"cpe:2.3:a:digium:asterisk:*:*:*:*:lts:*:*:*","range":[{"introduced":"13.0.0"},{"last_affected":"13.23.0"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*","range":[{"introduced":"14.0.0"},{"last_affected":"14.7.7"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:digium:asterisk:*:*:*:*:standard:*:*:*","range":[{"introduced":"15.0.0"},{"last_affected":"15.6.0"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert12:*:*:lts:*:*:*","range":[{"introduced":"11.6-cert12"},{"last_affected":"11.6-cert12"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert13:*:*:lts:*:*:*","range":[{"introduced":"11.6-cert13"},{"last_affected":"11.6-cert13"}],"source":"CPE_STRING"},{"range":[{"introduced":"11.6-cert14"},{"last_affected":"11.6-cert14"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert14:*:*:lts:*:*:*"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert15:*:*:lts:*:*:*","range":[{"introduced":"11.6-cert15"},{"last_affected":"11.6-cert15"}],"source":"CPE_STRING"},{"range":[{"introduced":"11.6-cert16"},{"last_affected":"11.6-cert16"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert16:*:*:lts:*:*:*"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert17:*:*:lts:*:*:*","range":[{"introduced":"11.6-cert17"},{"last_affected":"11.6-cert17"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:11.6:cert18:*:*:lts:*:*:*","range":[{"introduced":"11.6-cert18"},{"last_affected":"11.6-cert18"}],"source":"CPE_STRING"},{"range":[{"introduced":"13.1-cert3"},{"last_affected":"13.1-cert3"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.1:cert3:*:*:lts:*:*:*"},{"range":[{"introduced":"13.1-cert4"},{"last_affected":"13.1-cert4"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.1:cert4:*:*:lts:*:*:*"},{"range":[{"introduced":"13.1-cert5"},{"last_affected":"13.1-cert5"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.1:cert5:*:*:lts:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.1:cert6:*:*:lts:*:*:*","range":[{"introduced":"13.1-cert6"},{"last_affected":"13.1-cert6"}]},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.1:cert7:*:*:lts:*:*:*","range":[{"introduced":"13.1-cert7"},{"last_affected":"13.1-cert7"}]},{"range":[{"introduced":"13.1-cert8"},{"last_affected":"13.1-cert8"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.1:cert8:*:*:lts:*:*:*"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:13.8:cert1:*:*:lts:*:*:*","range":[{"introduced":"13.8-cert1"},{"last_affected":"13.8-cert1"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.8:cert2:*:*:lts:*:*:*","range":[{"introduced":"13.8-cert2"},{"last_affected":"13.8-cert2"}]},{"cpe":"cpe:2.3:a:digium:certified_asterisk:13.8:cert3:*:*:lts:*:*:*","range":[{"introduced":"13.8-cert3"},{"last_affected":"13.8-cert3"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.8:cert4:*:*:lts:*:*:*","range":[{"introduced":"13.8-cert4"},{"last_affected":"13.8-cert4"}]},{"range":[{"introduced":"13.13-cert1"},{"last_affected":"13.13-cert1"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert1:*:*:lts:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert2:*:*:lts:*:*:*","range":[{"introduced":"13.13-cert2"},{"last_affected":"13.13-cert2"}]},{"cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert3:*:*:lts:*:*:*","range":[{"introduced":"13.13-cert3"},{"last_affected":"13.13-cert3"}],"source":"CPE_STRING"},{"range":[{"introduced":"13.13-cert4"},{"last_affected":"13.13-cert4"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert4:*:*:lts:*:*:*"},{"range":[{"introduced":"13.13-cert5"},{"last_affected":"13.13-cert5"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert5:*:*:lts:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert6:*:*:lts:*:*:*","range":[{"introduced":"13.13-cert6"},{"last_affected":"13.13-cert6"}]},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert7:*:*:lts:*:*:*","range":[{"introduced":"13.13-cert7"},{"last_affected":"13.13-cert7"}]},{"cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert8:*:*:lts:*:*:*","range":[{"introduced":"13.13-cert8"},{"last_affected":"13.13-cert8"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:13.13:cert9:*:*:lts:*:*:*","range":[{"introduced":"13.13-cert9"},{"last_affected":"13.13-cert9"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:lts:*:*:*","range":[{"introduced":"13.21-cert1"},{"last_affected":"13.21-cert1"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:lts:*:*:*","range":[{"introduced":"13.21-cert2"},{"last_affected":"13.21-cert2"}]}]}}],"versions":["11.6-cert12","11.6-cert13","11.6-cert14","11.6-cert15","11.6-cert16","11.6-cert17","11.6-cert18","13.1-cert3","13.1-cert4","13.1-cert5","13.1-cert6","13.1-cert7","13.1-cert8","13.13-cert1","13.13-cert2","13.13-cert3","13.13-cert4","13.13-cert5","13.13-cert6","13.13-cert7","13.13-cert8","13.13-cert9","13.21-cert1","13.21-cert2","13.8-cert1","13.8-cert2","13.8-cert3","13.8-cert4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17281.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}