CVE-2023-38802 (GCVE-0-2023-38802)
Vulnerability from cvelistv5 – Published: 2023-08-29 00:00 – Updated: 2024-10-02 14:46
VLAI
EPSS
VEX
Summary
FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-02 14:46 UTC
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://blog.benjojo.co.uk/post/bgp-path-attribut… | |
| https://news.ycombinator.com/item?id=37305800 | |
| https://www.debian.org/security/2023/dsa-5495 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
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"url": "https://www.debian.org/security/2023/dsa-5495"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-354"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T14:55:20+00:00",
"cve": "CVE-2023-38802",
"id": "CVE-2023-38802",
"initial_release_date": "2023-08-29T00:00:00+00:00",
"product_status:fixed": "103",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-38802.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-02T01:51:41Z",
"cve": "CVE-2023-38802",
"id": "CVE-2023-38802",
"initial_release_date": "2023-09-05T01:20:54Z",
"product_status:known_affected": "102",
"product_status:recommended": "617",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-38802",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-38802.json",
"version": "28"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T17:54:38.498Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
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],
"url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
},
{
"tags": [
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],
"url": "https://news.ycombinator.com/item?id=37305800"
},
{
"name": "DSA-5495",
"tags": [
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"x_transferred"
],
"url": "https://www.debian.org/security/2023/dsa-5495"
},
{
"name": "[debian-lts-announce] 20230919 [SECURITY] [DLA 3573-1] frr security update",
"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html"
},
{
"name": "FEDORA-2023-514db5339e",
"tags": [
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"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/"
},
{
"name": "FEDORA-2023-ce436d56f8",
"tags": [
"vendor-advisory",
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/"
},
{
"name": "FEDORA-2023-61abba57d8",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-38802",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-02T14:46:38.606959Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-10-02T14:46:44.762Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation)."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-11-15T05:07:02.171314",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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},
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"url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
},
{
"url": "https://news.ycombinator.com/item?id=37305800"
},
{
"name": "DSA-5495",
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],
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},
{
"name": "[debian-lts-announce] 20230919 [SECURITY] [DLA 3573-1] frr security update",
"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html"
},
{
"name": "FEDORA-2023-514db5339e",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/"
},
{
"name": "FEDORA-2023-ce436d56f8",
"tags": [
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/"
},
{
"name": "FEDORA-2023-61abba57d8",
"tags": [
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-38802",
"datePublished": "2023-08-29T00:00:00",
"dateReserved": "2023-07-25T00:00:00",
"dateUpdated": "2024-10-02T14:46:51.117Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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