usn-6467-1
Vulnerability from osv_ubuntu
Published
2023-11-01 11:26
Modified
2026-06-29 10:53
Summary
krb5 vulnerability
Details
Robert Morris discovered that Kerberos did not properly handle memory access when processing RPC data through kadmind, which could lead to the freeing of uninitialized memory. An authenticated remote attacker could possibly use this issue to cause kadmind to crash, resulting in a denial of service.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-36054",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "krb5-admin-server",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-gss-samples",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-kdc",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-kdc-ldap",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-locales",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-multidev",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-otp",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-pkinit",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "krb5-user",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libgssapi-krb5-2",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libgssrpc4",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libk5crypto3",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkadm5clnt-mit9",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkadm5srv-mit8",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkadm5srv-mit9",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkdb5-7",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkrad0",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkrb5-3",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
},
{
"binary_name": "libkrb5support0",
"binary_version": "1.12+dfsg-2ubuntu5.4+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "krb5",
"purl": "pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu5.4+esm4?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12+dfsg-2ubuntu5.4+esm4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.10.1+dfsg-6.1ubuntu1",
"1.11.3+dfsg-3ubuntu2",
"1.12+dfsg-2ubuntu1",
"1.12+dfsg-2ubuntu2",
"1.12+dfsg-2ubuntu3",
"1.12+dfsg-2ubuntu4",
"1.12+dfsg-2ubuntu4.2",
"1.12+dfsg-2ubuntu5",
"1.12+dfsg-2ubuntu5.1",
"1.12+dfsg-2ubuntu5.2",
"1.12+dfsg-2ubuntu5.3",
"1.12+dfsg-2ubuntu5.4",
"1.12+dfsg-2ubuntu5.4+esm1",
"1.12+dfsg-2ubuntu5.4+esm2",
"1.12+dfsg-2ubuntu5.4+esm3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-36054",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "krb5-admin-server",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-gss-samples",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-k5tls",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-kdc",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-kdc-ldap",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-locales",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-multidev",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-otp",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-pkinit",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "krb5-user",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libgssapi-krb5-2",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libgssrpc4",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libk5crypto3",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libkadm5clnt-mit9",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libkadm5srv-mit9",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libkdb5-8",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libkrad0",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libkrb5-3",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
},
{
"binary_name": "libkrb5support0",
"binary_version": "1.13.2+dfsg-5ubuntu2.2+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "krb5",
"purl": "pkg:deb/ubuntu/krb5@1.13.2+dfsg-5ubuntu2.2+esm4?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.13.2+dfsg-5ubuntu2.2+esm4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.13.2+dfsg-2",
"1.13.2+dfsg-3",
"1.13.2+dfsg-4",
"1.13.2+dfsg-5",
"1.13.2+dfsg-5ubuntu1",
"1.13.2+dfsg-5ubuntu2",
"1.13.2+dfsg-5ubuntu2.1",
"1.13.2+dfsg-5ubuntu2.1+esm1",
"1.13.2+dfsg-5ubuntu2.2",
"1.13.2+dfsg-5ubuntu2.2+esm3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-36054",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "krb5-admin-server",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-gss-samples",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-k5tls",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-kdc",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-kdc-ldap",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-kpropd",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-locales",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-multidev",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-otp",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-pkinit",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "krb5-user",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libgssapi-krb5-2",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libgssrpc4",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libk5crypto3",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libkadm5clnt-mit11",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libkadm5srv-mit11",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libkdb5-9",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libkrad0",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libkrb5-3",
"binary_version": "1.16-2ubuntu0.4+esm1"
},
{
"binary_name": "libkrb5support0",
"binary_version": "1.16-2ubuntu0.4+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "krb5",
"purl": "pkg:deb/ubuntu/krb5@1.16-2ubuntu0.4+esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16-2ubuntu0.4+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.15.1-2",
"1.16-2",
"1.16-2build1",
"1.16-2ubuntu0.1",
"1.16-2ubuntu0.1+esm1",
"1.16-2ubuntu0.2",
"1.16-2ubuntu0.3",
"1.16-2ubuntu0.4"
]
}
],
"aliases": [],
"details": "Robert Morris discovered that Kerberos did not properly handle memory\naccess when processing RPC data through kadmind, which could lead to the\nfreeing of uninitialized memory. An authenticated remote attacker could\npossibly use this issue to cause kadmind to crash, resulting in a denial\nof service.\n",
"id": "USN-6467-1",
"modified": "2026-06-29T10:53:05Z",
"published": "2023-11-01T11:26:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6467-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-36054"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "krb5 vulnerability",
"upstream": [
"UBUNTU-CVE-2023-36054"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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