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vuln-ubuntu/data/osv/usn/USN-4315-1.json
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{
"schema_version": "1.7.0",
"id": "USN-4315-1",
"summary": "apport vulnerabilities",
"details": "Maximilien Bourgeteau discovered that the Apport lock file was created with\ninsecure permissions. This could allow a local attacker to escalate their\nprivileges via a symlink attack. (CVE-2020-8831)\n\nMaximilien Bourgeteau discovered a race condition in Apport when setting\ncrash report permissions. This could allow a local attacker to read\narbitrary files via a symlink attack. (CVE-2020-8833)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2020-8831",
"UBUNTU-CVE-2020-8833"
],
"related": [],
"published": "2020-04-02T00:55:53Z",
"modified": "2026-02-10T04:41:48Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "apport",
"purl": "pkg:deb/ubuntu/apport@2.20.1-0ubuntu2.23?arch=source&distro=xenial"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.1-0ubuntu2.23"
}
]
}
],
"versions": [
"2.19.1-0ubuntu3",
"2.19.2-0ubuntu1",
"2.19.2-0ubuntu2",
"2.19.2-0ubuntu3",
"2.19.2-0ubuntu4",
"2.19.2-0ubuntu5",
"2.19.2-0ubuntu6",
"2.19.2-0ubuntu8",
"2.19.2-0ubuntu9",
"2.19.3-0ubuntu1",
"2.19.3-0ubuntu2",
"2.19.3-0ubuntu3",
"2.19.4-0ubuntu1",
"2.19.4-0ubuntu2",
"2.20-0ubuntu2",
"2.20-0ubuntu3",
"2.20.1-0ubuntu1",
"2.20.1-0ubuntu2",
"2.20.1-0ubuntu2.1",
"2.20.1-0ubuntu2.2",
"2.20.1-0ubuntu2.4",
"2.20.1-0ubuntu2.5",
"2.20.1-0ubuntu2.6",
"2.20.1-0ubuntu2.9",
"2.20.1-0ubuntu2.10",
"2.20.1-0ubuntu2.12",
"2.20.1-0ubuntu2.13",
"2.20.1-0ubuntu2.14",
"2.20.1-0ubuntu2.15",
"2.20.1-0ubuntu2.16",
"2.20.1-0ubuntu2.17",
"2.20.1-0ubuntu2.18",
"2.20.1-0ubuntu2.19",
"2.20.1-0ubuntu2.20",
"2.20.1-0ubuntu2.21",
"2.20.1-0ubuntu2.22"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "apport-kde",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "apport-noui",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "dh-apport",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "python-apport",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "python-problem-report",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "python3-apport",
"binary_version": "2.20.1-0ubuntu2.23"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.20.1-0ubuntu2.23"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:16.04:LTS",
"cves": [
{
"id": "CVE-2020-8831",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2020-8833",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "apport",
"purl": "pkg:deb/ubuntu/apport@2.20.9-0ubuntu7.14?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.9-0ubuntu7.14"
}
]
}
],
"versions": [
"2.20.7-0ubuntu3",
"2.20.7-0ubuntu3.1",
"2.20.7-0ubuntu4",
"2.20.8-0ubuntu1",
"2.20.8-0ubuntu2",
"2.20.8-0ubuntu3",
"2.20.8-0ubuntu4",
"2.20.8-0ubuntu5",
"2.20.8-0ubuntu6",
"2.20.8-0ubuntu7",
"2.20.8-0ubuntu8",
"2.20.8-0ubuntu9",
"2.20.8-0ubuntu10",
"2.20.9-0ubuntu1",
"2.20.9-0ubuntu2",
"2.20.9-0ubuntu4",
"2.20.9-0ubuntu5",
"2.20.9-0ubuntu6",
"2.20.9-0ubuntu7",
"2.20.9-0ubuntu7.1",
"2.20.9-0ubuntu7.2",
"2.20.9-0ubuntu7.3",
"2.20.9-0ubuntu7.4",
"2.20.9-0ubuntu7.5",
"2.20.9-0ubuntu7.6",
"2.20.9-0ubuntu7.7",
"2.20.9-0ubuntu7.8",
"2.20.9-0ubuntu7.9",
"2.20.9-0ubuntu7.11",
"2.20.9-0ubuntu7.12",
"2.20.9-0ubuntu7.13"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "apport-kde",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "apport-noui",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "dh-apport",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "python-apport",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "python-problem-report",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "python3-apport",
"binary_version": "2.20.9-0ubuntu7.14"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.20.9-0ubuntu7.14"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2020-8831",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2020-8833",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4315-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-8831"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-8833"
}
]
}
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