ubuntu-cve-2012-1191
Vulnerability from osv_ubuntu
Published
2012-02-17 22:55
Modified
2026-05-20 14:48
Summary
Details
The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.
Severity
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dbndns",
"binary_version": "1:1.05-8ubuntu1"
},
{
"binary_name": "djbdns",
"binary_version": "1:1.05-8ubuntu1"
},
{
"binary_name": "dnscache-run",
"binary_version": "1:1.05-8ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "djbdns",
"purl": "pkg:deb/ubuntu/djbdns@1:1.05-8ubuntu1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:1.05-8ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "axfrdns",
"binary_version": "1:1.05-15fakesync1"
},
{
"binary_name": "djbdns-conf",
"binary_version": "1:1.05-15fakesync1"
},
{
"binary_name": "djbdns-utils",
"binary_version": "1:1.05-15fakesync1"
},
{
"binary_name": "dnscache",
"binary_version": "1:1.05-15fakesync1"
},
{
"binary_name": "rbldns",
"binary_version": "1:1.05-15fakesync1"
},
{
"binary_name": "tinydns",
"binary_version": "1:1.05-15fakesync1"
},
{
"binary_name": "walldns",
"binary_version": "1:1.05-15fakesync1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "djbdns",
"purl": "pkg:deb/ubuntu/djbdns@1:1.05-15fakesync1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:1.05-15fakesync1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "axfrdns",
"binary_version": "1:1.05-15ubuntu2"
},
{
"binary_name": "djbdns-conf",
"binary_version": "1:1.05-15ubuntu2"
},
{
"binary_name": "djbdns-utils",
"binary_version": "1:1.05-15ubuntu2"
},
{
"binary_name": "dnscache",
"binary_version": "1:1.05-15ubuntu2"
},
{
"binary_name": "rbldns",
"binary_version": "1:1.05-15ubuntu2"
},
{
"binary_name": "tinydns",
"binary_version": "1:1.05-15ubuntu2"
},
{
"binary_name": "walldns",
"binary_version": "1:1.05-15ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "djbdns",
"purl": "pkg:deb/ubuntu/djbdns@1:1.05-15ubuntu2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:1.05-15ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "axfrdns",
"binary_version": "1:1.05-22ubuntu1"
},
{
"binary_name": "djbdns-conf",
"binary_version": "1:1.05-22ubuntu1"
},
{
"binary_name": "djbdns-utils",
"binary_version": "1:1.05-22ubuntu1"
},
{
"binary_name": "dnscache",
"binary_version": "1:1.05-22ubuntu1"
},
{
"binary_name": "rbldns",
"binary_version": "1:1.05-22ubuntu1"
},
{
"binary_name": "tinydns",
"binary_version": "1:1.05-22ubuntu1"
},
{
"binary_name": "walldns",
"binary_version": "1:1.05-22ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "djbdns",
"purl": "pkg:deb/ubuntu/djbdns@1:1.05-22ubuntu1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:1.05-15ubuntu2",
"1:1.05-22ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "axfrdns",
"binary_version": "1:1.05-22ubuntu2"
},
{
"binary_name": "djbdns-conf",
"binary_version": "1:1.05-22ubuntu2"
},
{
"binary_name": "djbdns-utils",
"binary_version": "1:1.05-22ubuntu2"
},
{
"binary_name": "dnscache",
"binary_version": "1:1.05-22ubuntu2"
},
{
"binary_name": "rbldns",
"binary_version": "1:1.05-22ubuntu2"
},
{
"binary_name": "tinydns",
"binary_version": "1:1.05-22ubuntu2"
},
{
"binary_name": "walldns",
"binary_version": "1:1.05-22ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "djbdns",
"purl": "pkg:deb/ubuntu/djbdns@1:1.05-22ubuntu2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:1.05-22ubuntu1",
"1:1.05-22ubuntu2"
]
}
],
"aliases": [],
"details": "The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a \"ghost domain names\" attack.",
"id": "UBUNTU-CVE-2012-1191",
"modified": "2026-05-20T14:48:27Z",
"published": "2012-02-17T22:55:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2012-1191"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2012-1191"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2012-1191"
]
}
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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.
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
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