CVE-2019-12098

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 krb5initcredsstep in lib/krb5/initcreds_pw.c.

Database specific

{
    "unresolved_ranges": [
        {
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ]
        },
        {
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "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": "opensuse:backports_sle",
            "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:leap",
            "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"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/heimdal/heimdal

Affected ranges

Type

GIT

Repo

https://github.com/heimdal/heimdal

Events

Introduced

Fixed

bbafe725f10b6bfd60e4d411ba08719b632e3043

Fixed

2f7f3d9960aa6ea21358bdf3687cee5149aa35cf

Database specific

{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "7.6.0"
        }
    ],
    "cpe": "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*"
}

Affected versions

Other

git2svn-syncpoint-master

switch-from-svn-to-git

heimdal-1.*

heimdal-1.3.0pre1

heimdal-1.3.0pre10

heimdal-1.3.0pre11

heimdal-1.3.0pre3

heimdal-1.3.0pre4

heimdal-1.3.0pre5

heimdal-1.3.0pre6

heimdal-1.3.0pre7

heimdal-1.3.0pre8

heimdal-1.3.0pre9

heimdal-1.3.0rc1

heimdal-1.5pre1

heimdal-1.5pre2

heimdal-7.*

heimdal-7.0.1

heimdal-7.0.2

heimdal-7.0.3

heimdal-7.1.0

heimdal-7.1rc1

heimdal-7.2.0

heimdal-7.3.0

heimdal-7.4.0

heimdal-7.5.0

upstream-1.*

upstream-1.4.0+git20101228.dfsg.1

upstream-1.4.0+git20110220.dfsg.1

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-12098.json"

vanir_signatures_modified

"2026-07-09T04:43:05Z"

vanir_signatures

[
    {
        "source": "https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf",
        "digest": {
            "length": 6746.0,
            "function_hash": "239451779831776701030370729553326217963"
        },
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2019-12098-3473ff51",
        "target": {
            "function": "krb5_init_creds_step",
            "file": "lib/krb5/init_creds_pw.c"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "157905797815404682526821631083992957802",
                "77077079028435348282945182426218165738",
                "232278302168403443626434313658558027612"
            ]
        },
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2019-12098-81d6eb0e",
        "target": {
            "file": "lib/krb5/pkinit.c"
        },
        "signature_type": "Line"
    },
    {
        "source": "https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "94971240621567312815457331887032315308",
                "80927413706729359648894526490031709185",
                "77888480259620153279995465692430115069",
                "120247920660774625577499905939642226608"
            ]
        },
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2019-12098-eccdb06f",
        "target": {
            "file": "lib/krb5/init_creds_pw.c"
        },
        "signature_type": "Line"
    }
]