{"schema_version":"1.7.5","id":"CVE-2019-12098","published":"2019-05-15T23:29:00.277Z","modified":"2026-07-08T15:54:48.783461Z","related":["openSUSE-SU-2019:1682-1","openSUSE-SU-2019:1688-1","openSUSE-SU-2019:1888-1","openSUSE-SU-2024:10946-1"],"details":"In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/heimdal/heimdal","events":[{"introduced":"0"},{"fixed":"bbafe725f10b6bfd60e4d411ba08719b632e3043"},{"fixed":"2f7f3d9960aa6ea21358bdf3687cee5149aa35cf"}],"database_specific":{"cpe":"cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"7.6.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["heimdal-1.3.0pre1","heimdal-7.5.0","heimdal-7.4.0","heimdal-7.3.0","heimdal-7.2.0","heimdal-7.1.0","heimdal-7.0.3","heimdal-7.0.2","heimdal-7.0.1","heimdal-7.1rc1","git2svn-syncpoint-master","heimdal-1.5pre2","heimdal-1.5pre1","upstream-1.4.0+git20110220.dfsg.1","upstream-1.4.0+git20101228.dfsg.1","heimdal-1.3.0rc1","heimdal-1.3.0pre11","heimdal-1.3.0pre10","heimdal-1.3.0pre9","heimdal-1.3.0pre8","heimdal-1.3.0pre7","heimdal-1.3.0pre6","heimdal-1.3.0pre5","heimdal-1.3.0pre4","heimdal-1.3.0pre3","switch-from-svn-to-git"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12098.json","vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"239451779831776701030370729553326217963","length":6746},"id":"CVE-2019-12098-3473ff51","signature_type":"Function","signature_version":"v1","source":"https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf","target":{"file":"lib/krb5/init_creds_pw.c","function":"krb5_init_creds_step"}},{"deprecated":false,"digest":{"line_hashes":["157905797815404682526821631083992957802","77077079028435348282945182426218165738","232278302168403443626434313658558027612"],"threshold":0.9},"id":"CVE-2019-12098-81d6eb0e","signature_type":"Line","signature_version":"v1","source":"https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf","target":{"file":"lib/krb5/pkinit.c"}},{"deprecated":false,"digest":{"line_hashes":["94971240621567312815457331887032315308","80927413706729359648894526490031709185","77888480259620153279995465692430115069","120247920660774625577499905939642226608"],"threshold":0.9},"id":"CVE-2019-12098-eccdb06f","signature_type":"Line","signature_version":"v1","source":"https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf","target":{"file":"lib/krb5/init_creds_pw.c"}}],"vanir_signatures_modified":"2026-07-08T15:54:48Z"}}],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html"},{"type":"ADVISORY","url":"https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Jun/1"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4455"},{"type":"FIX","url":"http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html"},{"type":"FIX","url":"https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf"},{"type":"FIX","url":"https://github.com/heimdal/heimdal/compare/3e58559...bbafe72"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"30"},{"last_affected":"30"},{"introduced":"31"},{"last_affected":"31"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*","cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0-NA"},{"last_affected":"15.0-NA"},{"introduced":"15.0-sp1"},{"last_affected":"15.0-sp1"}],"source":"CPE_STRING","vendor_product":"opensuse:backports_sle"},{"cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"},{"introduced":"15.1"},{"last_affected":"15.1"},{"introduced":"42.3"},{"last_affected":"42.3"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}