usn-5354-2
Vulnerability from osv_ubuntu
Published
2022-05-05 08:14
Modified
2026-06-29 10:52
Summary
twisted vulnerability
Details
USN-5354-1 fixed vulnerabilities in Twisted. This update provides the corresponding updates for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 22.04 LTS.
Original advisory details:
It was discovered that Twisted incorrectly processed SSH handshake data on connection establishments. A remote attacker could use this issue to cause Twisted to crash, resulting in a denial of service. (CVE-2022-21716)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-21716",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "python-twisted",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-bin",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-conch",
"binary_version": "1:13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-core",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-lore",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-mail",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-names",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-news",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-runner",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-web",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
},
{
"binary_name": "python-twisted-words",
"binary_version": "13.2.0-1ubuntu1.2+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "twisted",
"purl": "pkg:deb/ubuntu/twisted@13.2.0-1ubuntu1.2+esm2?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "13.2.0-1ubuntu1.2+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"13.0.0-1ubuntu1",
"13.2.0-1ubuntu1",
"13.2.0-1ubuntu1.2",
"13.2.0-1ubuntu1.2+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-21716",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "python-twisted",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-bin",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-conch",
"binary_version": "1:16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-core",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-mail",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-names",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-news",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-runner",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-web",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python-twisted-words",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
},
{
"binary_name": "python3-twisted",
"binary_version": "16.0.0-1ubuntu0.4+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "twisted",
"purl": "pkg:deb/ubuntu/twisted@16.0.0-1ubuntu0.4+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "16.0.0-1ubuntu0.4+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"15.2.1-1ubuntu2",
"15.5.0-1",
"15.5.0-2",
"15.5.0-2ubuntu1",
"15.5.0-4",
"16.0.0~pre1-1",
"16.0.0~pre1-1ubuntu1",
"16.0.0~pre1-2ubuntu1",
"16.0.0~pre1-3",
"16.0.0-1",
"16.0.0-1ubuntu0.2",
"16.0.0-1ubuntu0.4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-21716",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "python3-twisted",
"binary_version": "22.1.0-2ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "twisted",
"purl": "pkg:deb/ubuntu/twisted@22.1.0-2ubuntu2.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "22.1.0-2ubuntu2.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"20.3.0-7ubuntu1",
"20.3.0-7ubuntu3",
"22.1.0-2ubuntu2"
]
}
],
"aliases": [],
"details": "USN-5354-1 fixed vulnerabilities in Twisted. This update provides the \ncorresponding updates for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and\nUbuntu 22.04 LTS.\n\nOriginal advisory details:\n \n It was discovered that Twisted incorrectly processed SSH handshake data on \n connection establishments. A remote attacker could use this issue to cause \n Twisted to crash, resulting in a denial of service. (CVE-2022-21716)\n",
"id": "USN-5354-2",
"modified": "2026-06-29T10:52:54Z",
"published": "2022-05-05T08:14:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5354-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-21716"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "twisted vulnerability",
"upstream": [
"UBUNTU-CVE-2022-21716"
]
}
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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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