ubuntu-cve-2022-39320
Vulnerability from osv_ubuntu
Published
2022-11-17 00:00
Modified
2026-04-22 07:41
Summary
Details
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the /usb redirection switch.
Severity
5.5 (Medium)
4.6 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
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"ecosystem": "Ubuntu:20.04:LTS",
"name": "freerdp2",
"purl": "pkg:deb/ubuntu/freerdp2@2.2.0+dfsg1-0ubuntu0.20.04.4?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.0+dfsg1-0ubuntu0.20.04.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.0~git20190204.1.2693389a+dfsg1-1",
"2.0.0~git20190204.1.2693389a+dfsg1-2",
"2.0.0~git20190204.1.2693389a+dfsg1-2build1",
"2.0.0~git20190204.1.2693389a+dfsg1-2build2",
"2.1.1+dfsg1-0ubuntu0.20.04.1",
"2.2.0+dfsg1-0ubuntu0.20.04.1",
"2.2.0+dfsg1-0ubuntu0.20.04.2",
"2.2.0+dfsg1-0ubuntu0.20.04.3"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "freerdp2-shadow-x11",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "freerdp2-wayland",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "freerdp2-x11",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libfreerdp-client2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libfreerdp-server2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libfreerdp-shadow-subsystem2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libfreerdp-shadow2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libfreerdp2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libuwac0-0",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libwinpr-tools2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "libwinpr2-2",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
},
{
"binary_name": "winpr-utils",
"binary_version": "2.6.1+dfsg1-3ubuntu2.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "freerdp2",
"purl": "pkg:deb/ubuntu/freerdp2@2.6.1+dfsg1-3ubuntu2.3?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1+dfsg1-3ubuntu2.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.3.0+dfsg1-2build1",
"2.3.0+dfsg1-2ubuntu1",
"2.3.0+dfsg1-2ubuntu2",
"2.4.1+dfsg1-1",
"2.4.1+dfsg1-1ubuntu1",
"2.4.1+dfsg1-1ubuntu2",
"2.5.0+dfsg1-1",
"2.6.0+dfsg1-1",
"2.6.1+dfsg1-1",
"2.6.1+dfsg1-3",
"2.6.1+dfsg1-3ubuntu1",
"2.6.1+dfsg1-3ubuntu2",
"2.6.1+dfsg1-3ubuntu2.1",
"2.6.1+dfsg1-3ubuntu2.2"
]
}
],
"aliases": [],
"details": "FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.",
"id": "UBUNTU-CVE-2022-39320",
"modified": "2026-04-22T07:41:40Z",
"published": "2022-11-17T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-39320"
},
{
"type": "REPORT",
"url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qfq2-82qr-7f4j"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5734-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-39320"
}
],
"related": [
"USN-5734-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2022-39320"
]
}
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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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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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