ubuntu-cve-2019-12098
Vulnerability from osv_ubuntu
Published
2019-05-15 23:29
Modified
2026-04-27 08:07
Summary
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.
Severity
7.4 (High)
7.4 (High)
7.4 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-clients-x",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-docs",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-multidev",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-servers",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "heimdal-servers-x",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libasn1-8-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libgssapi3-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libhcrypto4-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libheimbase1-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libheimntlm0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libkadm5srv8-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libkafs0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libotp0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libroken18-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libsl0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "heimdal",
"purl": "pkg:deb/ubuntu/heimdal@1.6~git20131207+dfsg-1ubuntu1.2+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6~git20131207+dfsg-1ubuntu1.2+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6~git20120403+dfsg1-3ubuntu0.1",
"1.6~git20120403+dfsg1-3ubuntu0.2",
"1.6~git20131207+dfsg-1ubuntu1",
"1.6~git20131207+dfsg-1ubuntu1.1",
"1.6~git20131207+dfsg-1ubuntu1.2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "heimdal-docs",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "heimdal-multidev",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "heimdal-servers",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libasn1-8-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libgssapi3-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libhcrypto4-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libheimbase1-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libheimntlm0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libkadm5srv8-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libkafs0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libotp0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libroken18-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libsl0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "heimdal",
"purl": "pkg:deb/ubuntu/heimdal@1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6~rc2+dfsg-10ubuntu1",
"1.7~git20150920+dfsg-4ubuntu1",
"1.7~git20150920+dfsg-4ubuntu1.16.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "heimdal-docs",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "heimdal-multidev",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "heimdal-servers",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libasn1-8-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libgssapi3-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libhcrypto4-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libheimbase1-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libheimntlm0-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libkadm5srv8-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libkafs0-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libotp0-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libroken18-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libsl0-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "7.5.0+dfsg-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "heimdal",
"purl": "pkg:deb/ubuntu/heimdal@7.5.0+dfsg-1ubuntu0.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.5.0+dfsg-1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"7.4.0.dfsg.1-2",
"7.5.0+dfsg-1"
]
}
],
"aliases": [],
"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.",
"id": "UBUNTU-CVE-2019-12098",
"modified": "2026-04-27T08:07:52Z",
"published": "2019-05-15T23:29:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-12098"
},
{
"type": "REPORT",
"url": "http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html"
},
{
"type": "REPORT",
"url": "https://github.com/heimdal/heimdal/compare/3e58559...bbafe72"
},
{
"type": "REPORT",
"url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5675-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12098"
}
],
"related": [
"USN-5675-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2019-12098"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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