ubuntu-cve-2020-15397
Vulnerability from osv_ubuntu
Published
2020-06-30 12:15
Modified
2026-05-20 14:52
Summary
Details
HylaFAX+ through 7.0.2 and HylaFAX Enterprise have scripts that execute binaries from directories writable by unprivileged users (e.g., locations under /var/spool/hylafax that are writable by the uucp account). This allows these users to execute code in the context of the user calling these binaries (often root).
Severity
7.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.6-6+deb8u1build0.16.04.1"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.6-6+deb8u1build0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.6-6+deb8u1build0.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.6-6",
"3:6.0.6-6+deb8u1build0.16.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.6-8.1~ubuntu0.18.04.1"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.6-8.1~ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.6-8.1~ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.6-8",
"3:6.0.6-8.1~ubuntu0.18.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.6-8.1build1"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.6-8.1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.6-8.1build1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.6-8.1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.7-3.1"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.7-3.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.7-3.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.7-3.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.7-7"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.7-7"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.7-7?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.7-5build1",
"3:6.0.7-7"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.7-13"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.7-13"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.7-13?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.7-11.1",
"3:6.0.7-13"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "hylafax-client",
"binary_version": "3:6.0.7-13build1"
},
{
"binary_name": "hylafax-server",
"binary_version": "3:6.0.7-13build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "hylafax",
"purl": "pkg:deb/ubuntu/hylafax@3:6.0.7-13build1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3:6.0.7-13",
"3:6.0.7-13build1"
]
}
],
"aliases": [],
"details": "HylaFAX+ through 7.0.2 and HylaFAX Enterprise have scripts that execute binaries from directories writable by unprivileged users (e.g., locations under /var/spool/hylafax that are writable by the uucp account). This allows these users to execute code in the context of the user calling these binaries (often root).",
"id": "UBUNTU-CVE-2020-15397",
"modified": "2026-05-20T14:52:16Z",
"published": "2020-06-30T12:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-15397"
},
{
"type": "REPORT",
"url": "https://sourceforge.net/p/hylafax/HylaFAX+/2534/"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-15397"
}
],
"related": [],
"schema_version": "1.7.0",
"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": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-15397"
]
}
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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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