usn-4623-1
Vulnerability from osv_ubuntu
Published
2020-11-09 12:01
Modified
2026-04-22 07:36
Summary
pacemaker vulnerability
Details
Ken Gaillot discovered that Pacemaker incorrectly handled IPC communications permissions. A local attacker could possibly use this issue to bypass ACL restrictions and execute arbitrary code as root.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-25654",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/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": "libcib4",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libcrmcluster4",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libcrmcommon3",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libcrmservice3",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "liblrmd1",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libpe-rules2",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libpe-status10",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libpengine10",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libstonithd2",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "libtransitioner2",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "pacemaker",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "pacemaker-cli-utils",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "pacemaker-common",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "pacemaker-remote",
"binary_version": "1.1.14-2ubuntu1.9"
},
{
"binary_name": "pacemaker-resource-agents",
"binary_version": "1.1.14-2ubuntu1.9"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "pacemaker",
"purl": "pkg:deb/ubuntu/pacemaker@1.1.14-2ubuntu1.9?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.14-2ubuntu1.9"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.1.12-0ubuntu2",
"1.1.12-0ubuntu3",
"1.1.14~rc4-2ubuntu1",
"1.1.14-1ubuntu1",
"1.1.14-1ubuntu2",
"1.1.14-2ubuntu1",
"1.1.14-2ubuntu1.1",
"1.1.14-2ubuntu1.2",
"1.1.14-2ubuntu1.3",
"1.1.14-2ubuntu1.4",
"1.1.14-2ubuntu1.5",
"1.1.14-2ubuntu1.6",
"1.1.14-2ubuntu1.7",
"1.1.14-2ubuntu1.8"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-25654",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcib4",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libcrmcluster4",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libcrmcommon3",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libcrmservice3",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "liblrmd1",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libpe-rules2",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libpe-status10",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libpengine10",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libstonithd2",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "libtransitioner2",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "pacemaker",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "pacemaker-cli-utils",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "pacemaker-common",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "pacemaker-remote",
"binary_version": "1.1.18-0ubuntu1.3"
},
{
"binary_name": "pacemaker-resource-agents",
"binary_version": "1.1.18-0ubuntu1.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "pacemaker",
"purl": "pkg:deb/ubuntu/pacemaker@1.1.18-0ubuntu1.3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.18-0ubuntu1.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.1.16-1ubuntu1",
"1.1.18~rc3-1ubuntu1",
"1.1.18~rc4-1ubuntu1",
"1.1.18-0ubuntu1",
"1.1.18-0ubuntu1.1",
"1.1.18-0ubuntu1.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-25654",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcib27",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libcrmcluster29",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libcrmcommon34",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libcrmservice28",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "liblrmd28",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libpacemaker1",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libpe-rules26",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libpe-status28",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "libstonithd26",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "pacemaker",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "pacemaker-cli-utils",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "pacemaker-common",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "pacemaker-remote",
"binary_version": "2.0.3-3ubuntu4.1"
},
{
"binary_name": "pacemaker-resource-agents",
"binary_version": "2.0.3-3ubuntu4.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "pacemaker",
"purl": "pkg:deb/ubuntu/pacemaker@2.0.3-3ubuntu4.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.3-3ubuntu4.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.1-4ubuntu2",
"2.0.1-5ubuntu1",
"2.0.1-5ubuntu5",
"2.0.3-3ubuntu1",
"2.0.3-3ubuntu3",
"2.0.3-3ubuntu4"
]
}
],
"aliases": [],
"details": "Ken Gaillot discovered that Pacemaker incorrectly handled IPC\ncommunications permissions. A local attacker could possibly use this issue\nto bypass ACL restrictions and execute arbitrary code as root.\n",
"id": "USN-4623-1",
"modified": "2026-04-22T07:36:58Z",
"published": "2020-11-09T12:01:58Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4623-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-25654"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "pacemaker vulnerability",
"upstream": [
"UBUNTU-CVE-2020-25654"
]
}
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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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