UBUNTU-CVE-2025-64184 (CVE-2025-64184)
Vulnerability from osv_ubuntu – Published: 2025-11-07 04:15 – Updated: 2026-05-20 15:22 – Source website
VLAI
Details
Dosage is a comic strip downloader and archiver. When downloading comic images in versions 3.1 and below, Dosage constructs target file names from different aspects of the remote comic (page URL, image URL, page content, etc.). While the basename is properly stripped of directory-traversing characters, the file extension is taken from the HTTP Content-Type header. This allows a remote attacker (or a Man-in-the-Middle, if the comic is served over HTTP) to write arbitrary files outside the target directory (if additional conditions are met). This issue is fixed in version 3.2.
Severity
8.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "2.15-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@2.15-1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.15-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "2.15-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@2.15-2?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.15-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "2.15-3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@2.15-3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.15-2",
"2.15-3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "2.15-4"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@2.15-4?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.15-4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "3.0+dfsg-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@3.0+dfsg-2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.15-4",
"3.0+dfsg-1",
"3.0+dfsg-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "3.0+dfsg-2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@3.0+dfsg-2.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0+dfsg-2.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dosage",
"binary_version": "3.2-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "dosage",
"purl": "pkg:deb/ubuntu/dosage@3.2-1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0+dfsg-2.1",
"3.0+dfsg-2.1build1",
"3.2-1"
]
}
],
"aliases": [],
"details": "Dosage is a comic strip downloader and archiver. When downloading comic images in versions 3.1 and below, Dosage constructs target file names from different aspects of the remote comic (page URL, image URL, page content, etc.). While the basename is properly stripped of directory-traversing characters, the file extension is taken from the HTTP Content-Type header. This allows a remote attacker (or a Man-in-the-Middle, if the comic is served over HTTP) to write arbitrary files outside the target directory (if additional conditions are met). This issue is fixed in version 3.2.",
"id": "UBUNTU-CVE-2025-64184",
"modified": "2026-05-20T15:22:58Z",
"published": "2025-11-07T04:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-64184"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-64184"
},
{
"type": "REPORT",
"url": "https://github.com/webcomics/dosage/commit/336a9684191604bc49eed7296b74bd582151181e"
},
{
"type": "REPORT",
"url": "https://github.com/webcomics/dosage/security/advisories/GHSA-4vcx-3pj3-44m7"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-64184"
]
}
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Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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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.
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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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