usn-3946-1
Vulnerability from osv_ubuntu
Published
2019-04-11 19:44
Modified
2026-02-10 04:41
Summary
rssh vulnerabilities
Details
It was discovered that rssh incorrectly handled certain command-line arguments and environment variables. An authenticated user could bypass rssh's command restrictions, allowing an attacker to run arbitrary commands.
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2019-3463",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-3464",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-1000018",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "rssh",
"binary_version": "2.3.4-4+deb8u2ubuntu0.14.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "rssh",
"purl": "pkg:deb/ubuntu/rssh@2.3.4-4+deb8u2ubuntu0.14.04.2?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.3.4-4+deb8u2ubuntu0.14.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.3.4-3",
"2.3.4-4",
"2.3.4-4+deb8u1build0.14.04.1",
"2.3.4-4+deb8u2build0.14.04.1",
"2.3.4-4+deb8u2ubuntu0.14.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2019-3463",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-3464",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-1000018",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/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": "rssh",
"binary_version": "2.3.4-4+deb8u2ubuntu0.16.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "rssh",
"purl": "pkg:deb/ubuntu/rssh@2.3.4-4+deb8u2ubuntu0.16.04.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.3.4-4+deb8u2ubuntu0.16.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.3.4-4",
"2.3.4-4+deb8u1build0.16.04.1",
"2.3.4-4+deb8u2build0.16.04.1",
"2.3.4-4+deb8u2ubuntu0.16.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2019-3463",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-3464",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-1000018",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/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": "rssh",
"binary_version": "2.3.4-7ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "rssh",
"purl": "pkg:deb/ubuntu/rssh@2.3.4-7ubuntu0.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.3.4-7ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.3.4-5",
"2.3.4-6",
"2.3.4-7"
]
}
],
"aliases": [],
"details": "It was discovered that rssh incorrectly handled certain command-line arguments\nand environment variables. An authenticated user could bypass rssh\u0027s command\nrestrictions, allowing an attacker to run arbitrary commands.\n",
"id": "USN-3946-1",
"modified": "2026-02-10T04:41:31Z",
"published": "2019-04-11T19:44:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3946-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-3463"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-3464"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-1000018"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "rssh vulnerabilities",
"upstream": [
"UBUNTU-CVE-2019-3463",
"UBUNTU-CVE-2019-3464",
"UBUNTU-CVE-2019-1000018"
]
}
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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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