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vuln-ubuntu/data/osv/usn/USN-4294-1.json
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{
"schema_version": "1.7.0",
"id": "USN-4294-1",
"summary": "OpenSMTPD vulnerabilities",
"details": "It was discovered that OpenSMTPD mishandled certain input. A remote,\nunauthenticated attacker could use this vulnerability to execute arbitrary\nshell commands as any non-root user. (CVE-2020-8794)\n\nIt was discovered that OpenSMTPD did not properly handle hardlinks under\ncertain conditions. An unprivileged local attacker could read the first\nline of any file on the filesystem. (CVE-2020-8793)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2020-8793",
"UBUNTU-CVE-2020-8794"
],
"related": [],
"published": "2020-03-02T18:17:27Z",
"modified": "2026-04-27T14:11:25Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "opensmtpd",
"purl": "pkg:deb/ubuntu/opensmtpd@6.0.3p1-1ubuntu0.2?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.3p1-1ubuntu0.2"
}
]
}
],
"versions": [
"6.0.2p1-2build1",
"6.0.3p1-1",
"6.0.3p1-1build1",
"6.0.3p1-1ubuntu0.1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "opensmtpd",
"binary_version": "6.0.3p1-1ubuntu0.2"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2020-8793",
"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": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2020-8794",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4294-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-8793"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-8794"
}
]
}