usn-4667-1
Vulnerability from osv_ubuntu
Published
2020-12-09 16:30
Modified
2026-04-22 07:36
Summary
apt vulnerability
Details
Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-27350",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "apt",
"binary_version": "1.2.32ubuntu0.2"
},
{
"binary_name": "apt-transport-https",
"binary_version": "1.2.32ubuntu0.2"
},
{
"binary_name": "apt-utils",
"binary_version": "1.2.32ubuntu0.2"
},
{
"binary_name": "libapt-inst2.0",
"binary_version": "1.2.32ubuntu0.2"
},
{
"binary_name": "libapt-pkg5.0",
"binary_version": "1.2.32ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "apt",
"purl": "pkg:deb/ubuntu/apt@1.2.32ubuntu0.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.32ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.10.2ubuntu1",
"1.1.4",
"1.1.5",
"1.1.10",
"1.2.3",
"1.2.4",
"1.2.6",
"1.2.7",
"1.2.8",
"1.2.9",
"1.2.10",
"1.2.10ubuntu1",
"1.2.12~ubuntu16.04.1",
"1.2.15",
"1.2.15ubuntu0.2",
"1.2.18",
"1.2.19",
"1.2.20",
"1.2.24",
"1.2.25",
"1.2.26",
"1.2.27",
"1.2.29",
"1.2.29ubuntu0.1",
"1.2.31",
"1.2.32",
"1.2.32ubuntu0.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-27350",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "apt",
"binary_version": "1.6.12ubuntu0.2"
},
{
"binary_name": "apt-transport-https",
"binary_version": "1.6.12ubuntu0.2"
},
{
"binary_name": "apt-utils",
"binary_version": "1.6.12ubuntu0.2"
},
{
"binary_name": "libapt-inst2.0",
"binary_version": "1.6.12ubuntu0.2"
},
{
"binary_name": "libapt-pkg5.0",
"binary_version": "1.6.12ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "apt",
"purl": "pkg:deb/ubuntu/apt@1.6.12ubuntu0.2?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.12ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5",
"1.5.1",
"1.6~alpha5",
"1.6~alpha7ubuntu1",
"1.6~alpha7ubuntu2",
"1.6~beta1",
"1.6~rc1",
"1.6",
"1.6.1",
"1.6.2",
"1.6.3",
"1.6.3ubuntu0.1",
"1.6.6",
"1.6.6ubuntu0.1",
"1.6.8",
"1.6.10",
"1.6.11",
"1.6.12",
"1.6.12ubuntu0.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-27350",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "apt",
"binary_version": "2.0.2ubuntu0.2"
},
{
"binary_name": "apt-transport-https",
"binary_version": "2.0.2ubuntu0.2"
},
{
"binary_name": "apt-utils",
"binary_version": "2.0.2ubuntu0.2"
},
{
"binary_name": "libapt-pkg6.0",
"binary_version": "2.0.2ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "apt",
"purl": "pkg:deb/ubuntu/apt@2.0.2ubuntu0.2?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.2ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.4",
"1.9.5",
"1.9.7",
"1.9.8",
"1.9.9",
"1.9.10",
"2.0.0",
"2.0.1",
"2.0.1ubuntu1",
"2.0.2",
"2.0.2ubuntu0.1"
]
}
],
"aliases": [],
"details": "Kevin Backhouse discovered that APT incorrectly handled certain packages.\nA local attacker could possibly use this issue to cause APT to crash or\nstop responding, resulting in a denial of service.\n",
"id": "USN-4667-1",
"modified": "2026-04-22T07:36:58Z",
"published": "2020-12-09T16:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4667-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-27350"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "apt vulnerability",
"upstream": [
"UBUNTU-CVE-2020-27350"
]
}
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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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