usn-3353-1
Vulnerability from osv_ubuntu
Published
2017-07-14 19:36
Modified
2026-04-22 07:36
Summary
heimdal vulnerability
Details
Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Heimdal clients incorrectly trusted unauthenticated portions of Kerberos tickets. A remote attacker could use this to impersonate trusted network services or perform other attacks.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2017-11103",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-clients-x",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-docs",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-multidev",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-servers",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "heimdal-servers-x",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libasn1-8-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libgssapi3-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libhcrypto4-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libheimbase1-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libheimntlm0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libkadm5srv8-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libkafs0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libotp0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libroken18-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libsl0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "1.6~git20131207+dfsg-1ubuntu1.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "heimdal",
"purl": "pkg:deb/ubuntu/heimdal@1.6~git20131207+dfsg-1ubuntu1.2?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6~git20131207+dfsg-1ubuntu1.2"
}
],
"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"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2017-11103",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "heimdal-clients",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "heimdal-docs",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "heimdal-kcm",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "heimdal-kdc",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "heimdal-multidev",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "heimdal-servers",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libasn1-8-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libgssapi3-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libhcrypto4-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libhdb9-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libheimbase1-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libheimntlm0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libhx509-5-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libkadm5clnt7-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libkadm5srv8-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libkafs0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libkdc2-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libkrb5-26-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libotp0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libroken18-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libsl0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
},
{
"binary_name": "libwind0-heimdal",
"binary_version": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "heimdal",
"purl": "pkg:deb/ubuntu/heimdal@1.7~git20150920+dfsg-4ubuntu1.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7~git20150920+dfsg-4ubuntu1.16.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6~rc2+dfsg-10ubuntu1",
"1.7~git20150920+dfsg-4ubuntu1"
]
}
],
"aliases": [],
"details": "Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered\nthat Heimdal clients incorrectly trusted unauthenticated portions\nof Kerberos tickets. A remote attacker could use this to impersonate\ntrusted network services or perform other attacks.\n",
"id": "USN-3353-1",
"modified": "2026-04-22T07:36:34Z",
"published": "2017-07-14T19:36:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3353-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2017-11103"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "heimdal vulnerability",
"upstream": [
"UBUNTU-CVE-2017-11103"
]
}
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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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