USN-6334-1 (UBUNTU-CVE-2020-6097)
Vulnerability from osv_ubuntu – Published: 2023-09-04 10:25 – Updated: 2026-06-25 10:46 – Source website
VLAI
Summary
atftp vulnerabilities
Details
Peter Wang discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp request to the server to cause a crash. (CVE-2020-6097)
Andreas B. Mundt discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp request to the server to cause a crash. (CVE-2021-41054)
Johannes Krupp discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp request to the server and make the server to disclose /etc/group data. (CVE-2021-46671)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-6097",
"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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-41054",
"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": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-46671",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "atftp",
"binary_version": "0.7.git20120829-3.1~0.16.04.1+esm1"
},
{
"binary_name": "atftpd",
"binary_version": "0.7.git20120829-3.1~0.16.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "atftp",
"purl": "pkg:deb/ubuntu/atftp@0.7.git20120829-3.1~0.16.04.1+esm1?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.git20120829-3.1~0.16.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.7.git20120829-2.1",
"0.7.git20120829-3.1~0.16.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-6097",
"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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-41054",
"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": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-46671",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "atftp",
"binary_version": "0.7.git20120829-3.1~0.18.04.1+esm1"
},
{
"binary_name": "atftpd",
"binary_version": "0.7.git20120829-3.1~0.18.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "atftp",
"purl": "pkg:deb/ubuntu/atftp@0.7.git20120829-3.1~0.18.04.1+esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.git20120829-3.1~0.18.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.7.git20120829-3",
"0.7.git20120829-3.1~0.18.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-6097",
"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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-41054",
"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": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-46671",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "atftp",
"binary_version": "0.7.git20120829-3.1ubuntu0.1"
},
{
"binary_name": "atftpd",
"binary_version": "0.7.git20120829-3.1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "atftp",
"purl": "pkg:deb/ubuntu/atftp@0.7.git20120829-3.1ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.git20120829-3.1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.7.git20120829-3.1"
]
}
],
"aliases": [],
"details": "Peter Wang discovered that atftp did not properly manage certain inputs. A\nremote attacker could send a specially crafted tftp request to the server\nto cause a crash. (CVE-2020-6097) \n\nAndreas B. Mundt discovered that atftp did not properly manage certain\ninputs. A remote attacker could send a specially crafted tftp request to\nthe server to cause a crash. (CVE-2021-41054) \n\nJohannes Krupp discovered that atftp did not properly manage certain\ninputs. A remote attacker could send a specially crafted tftp request to\nthe server and make the server to disclose /etc/group data.\n(CVE-2021-46671) \n",
"id": "USN-6334-1",
"modified": "2026-06-25T10:46:15Z",
"published": "2023-09-04T10:25:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6334-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6097"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-41054"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-46671"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "atftp vulnerabilities",
"upstream": [
"UBUNTU-CVE-2020-6097",
"UBUNTU-CVE-2021-41054",
"UBUNTU-CVE-2021-46671"
]
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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