ubuntu-cve-2024-5742
Vulnerability from osv_ubuntu
Published
2024-06-12 09:15
Modified
2025-09-08 16:58
Summary
Details
A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.
Severity
6.7 (Medium)
6.7 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "nano",
"binary_version": "2.2.6-1ubuntu1+esm1"
},
{
"binary_name": "nano-tiny",
"binary_version": "2.2.6-1ubuntu1+esm1"
}
],
"priority_reason": "Uncommon attack scenario"
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "nano",
"purl": "pkg:deb/ubuntu/nano@2.2.6-1ubuntu1+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.6-1ubuntu1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.6-1ubuntu1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "nano",
"binary_version": "2.5.3-2ubuntu2+esm1"
},
{
"binary_name": "nano-tiny",
"binary_version": "2.5.3-2ubuntu2+esm1"
}
],
"priority_reason": "Uncommon attack scenario"
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "nano",
"purl": "pkg:deb/ubuntu/nano@2.5.3-2ubuntu2+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.5.3-2ubuntu2+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.2-1",
"2.4.2-1ubuntu1",
"2.4.3-1",
"2.5.0-1",
"2.5.1-1",
"2.5.2-1",
"2.5.3-2",
"2.5.3-2ubuntu1",
"2.5.3-2ubuntu2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "nano",
"binary_version": "2.9.3-2ubuntu0.1~esm1"
},
{
"binary_name": "nano-tiny",
"binary_version": "2.9.3-2ubuntu0.1~esm1"
}
],
"priority_reason": "Uncommon attack scenario"
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "nano",
"purl": "pkg:deb/ubuntu/nano@2.9.3-2ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.9.3-2ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.8.6-3",
"2.8.7-1",
"2.9.0-1",
"2.9.1-1",
"2.9.2-1",
"2.9.3-1",
"2.9.3-2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "nano",
"binary_version": "4.8-1ubuntu1.1"
},
{
"binary_name": "nano-tiny",
"binary_version": "4.8-1ubuntu1.1"
}
],
"priority_reason": "Uncommon attack scenario"
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "nano",
"purl": "pkg:deb/ubuntu/nano@4.8-1ubuntu1.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.8-1ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.3-1",
"4.5-1",
"4.7-1",
"4.7-2",
"4.8-1",
"4.8-1ubuntu1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "nano",
"binary_version": "6.2-1ubuntu0.1"
},
{
"binary_name": "nano-tiny",
"binary_version": "6.2-1ubuntu0.1"
}
],
"priority_reason": "Uncommon attack scenario"
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "nano",
"purl": "pkg:deb/ubuntu/nano@6.2-1ubuntu0.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.2-1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.6.1-1build1",
"5.9-1",
"6.0-1",
"6.1-1",
"6.2-1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "nano",
"binary_version": "7.2-2ubuntu0.1"
},
{
"binary_name": "nano-tiny",
"binary_version": "7.2-2ubuntu0.1"
}
],
"priority_reason": "Uncommon attack scenario"
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "nano",
"purl": "pkg:deb/ubuntu/nano@7.2-2ubuntu0.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.2-2ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"7.2-1",
"7.2-2",
"7.2-2build1"
]
}
],
"aliases": [],
"details": "A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.",
"id": "UBUNTU-CVE-2024-5742",
"modified": "2025-09-08T16:58:55Z",
"published": "2024-06-12T09:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-5742"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-5742"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7064-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7064-2"
}
],
"related": [
"USN-7064-1",
"USN-7064-2"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2024-5742"
]
}
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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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