GSD-2022-39271
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. There is a potential vulnerability in Traefik managing HTTP/2 connections. A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.
Aliases
Aliases
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"GSD": {
"alias": "CVE-2022-39271",
"description": "Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. There is a potential vulnerability in Traefik managing HTTP/2 connections. A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.",
"id": "GSD-2022-39271"
},
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"modified": "2023-12-13T01:19:20.671217Z",
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"affected_range": "\u003cv2.8.8 || \u003e=v2.9.0-rc1 \u003cv2.9.0-rc5",
"affected_versions": "All versions before 2.8.8, all versions starting from 2.9.0-rc1 before 2.9.0-rc5",
"cwe_ids": [
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"CWE-937"
],
"date": "2022-10-10",
"description": "### Impact\n\nThere is a potential vulnerability in Traefik managing HTTP/2 connections.\nA closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service.\n\n### Patches\n\nTraefik v2.8.x: https://github.com/traefik/traefik/releases/tag/v2.8.8\nTraefik v2.9.x: https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5\n\n### Workarounds\n\nNo workaround.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).\n",
"fixed_versions": [
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],
"identifier": "GMS-2022-5243",
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"GMS-2022-5243",
"CVE-2022-39271"
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"package_slug": "go/github.com/traefik/traefik/v2",
"pubdate": "2022-10-10",
"solution": "Upgrade to versions 2.8.8, 2.9.0-rc5 or above. *Note*: 2.9.0-rc5 may be an unstable version. Use caution.",
"title": "Traefik HTTP/2 connections management could cause a denial of service",
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"lastModifiedDate": "2023-07-14T18:17Z",
"publishedDate": "2022-10-11T14:15Z"
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}
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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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