GHSA-XH5M-8QQP-C5X7
Vulnerability from github – Published: 2023-10-10 21:23 – Updated: 2024-06-03 18:35
VLAI
Summary
Remote Denial of Service Vulnerability in Microsoft.Native.Quic.MsQuic.Schannel
Details
Impact
The MsQuic server application or process will crash, resulting in a denial of service.
Patches
The following patch was made:
- Don't Allow Version Negotiation Packets for Server Connections - https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343
Workarounds
Beyond upgrading to the patched versions, there is no other workaround. You must upgrade or disable MsQuic functionality.
Severity
7.5 (High)
{
"affected": [
{
"package": {
"ecosystem": "NuGet",
"name": "Microsoft.Native.Quic.MsQuic.Schannel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "Microsoft.Native.Quic.MsQuic.OpenSSL"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-38171"
],
"database_specific": {
"cwe_ids": [
"CWE-400",
"CWE-476"
],
"github_reviewed": true,
"github_reviewed_at": "2023-10-10T21:23:27Z",
"nvd_published_at": "2023-10-10T18:15:18Z",
"severity": "HIGH"
},
"details": "### Impact\nThe MsQuic server application or process will crash, resulting in a denial of service.\n\n### Patches\nThe following patch was made:\n\n- Don\u0027t Allow Version Negotiation Packets for Server Connections - https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343\n\n### Workarounds\nBeyond upgrading to the patched versions, there is no other workaround. You must upgrade or disable MsQuic functionality.\n",
"id": "GHSA-xh5m-8qqp-c5x7",
"modified": "2024-06-03T18:35:09Z",
"published": "2023-10-10T21:23:27Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/microsoft/msquic/security/advisories/GHSA-xh5m-8qqp-c5x7"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-38171"
},
{
"type": "WEB",
"url": "https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343"
},
{
"type": "PACKAGE",
"url": "https://github.com/microsoft/msquic"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38171"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Remote Denial of Service Vulnerability in Microsoft.Native.Quic.MsQuic.Schannel"
}
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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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