{ "schema_version": "1.4.0", "id": "GHSA-gw7q-976q-g767", "modified": "2024-04-04T02:41:57Z", "published": "2022-05-24T17:02:43Z", "aliases": [ "CVE-2019-19521" ], "details": "libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/auth_subr.c and gen/authenticate.c in libc (and login/login.c and xenocara/app/xenodm/greeter/verify.c).", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-19521" }, { "type": "WEB", "url": "https://seclists.org/bugtraq/2019/Dec/8" }, { "type": "WEB", "url": "https://www.openbsd.org/errata66.html" }, { "type": "WEB", "url": "https://www.openwall.com/lists/oss-security/2019/12/04/5" }, { "type": "WEB", "url": "http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html" }, { "type": "WEB", "url": "http://seclists.org/fulldisclosure/2019/Dec/14" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2019/12/04/5" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2019/12/04/6" } ], "database_specific": { "cwe_ids": [ "CWE-287" ], "severity": "CRITICAL", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-12-05T00:15:00Z" } }