{"id":"CVE-2022-24976","details":"Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence.","modified":"2026-04-11T22:01:29.286624Z","published":"2022-02-14T12:15:27.680Z","related":["openSUSE-SU-2022:10018-1","openSUSE-SU-2022:10019-1","openSUSE-SU-2024:11848-1"],"references":[{"type":"FIX","url":"https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52"},{"type":"FIX","url":"https://github.com/atheme/atheme/compare/v7.2.11...v7.2.12"},{"type":"EVIDENCE","url":"https://www.openwall.com/lists/oss-security/2022/01/30/4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/atheme/atheme","events":[{"introduced":"5644554cf3b2de7ebb6ab24a01eef4edc4b2a7eb"},{"fixed":"937b61ee1a3b6117dd447a4922441872ee2d9b9d"},{"fixed":"4e664c75d0b280a052eb8b5e81aa41944e593c52"}],"database_specific":{"versions":[{"introduced":"7.2.0"},{"fixed":"7.2.12"}]}}],"versions":["atheme-7.2.0","atheme-7.2.1","atheme-7.2.2","atheme-7.2.3","atheme-7.2.4","atheme-7.2.5","atheme-7.2.6","v7.2.10-r2","v7.2.11","v7.2.7","v7.2.8","v7.2.9"],"database_specific":{"vanir_signatures_modified":"2026-04-11T22:01:29Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-24976.json","vanir_signatures":[{"signature_version":"v1","target":{"file":"include/atheme/sasl.h"},"signature_type":"Line","id":"CVE-2022-24976-65985416","source":"https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52","deprecated":false,"digest":{"line_hashes":["264181115141719115410501613210708693452","222754798231276678770365083454161360225","177285067101597845603528397864203774175","199054820762701691001989240818468296753"],"threshold":0.9}},{"signature_version":"v1","target":{"file":"modules/saslserv/main.c"},"signature_type":"Line","id":"CVE-2022-24976-b076b9c9","source":"https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52","deprecated":false,"digest":{"line_hashes":["181164004037616756640423420427750320372","313115584622875209309979514245591067323","178177798912038826071784961503266840049","92602061283873327545890553051924292853","77448892048842636663979471150463257294","245481455566510111142206612020968423652","1026313870649304281475816608592996698","5586248147490793460366759164049356703","270204745699703581546053686816737884482","38403516263160033101535605804046423711","145266275782670400238844850904385759748","90006946813639264304935864550855496921","71926987825986678306174984477597570288","171423761134648080727480061650639401911"],"threshold":0.9}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}