CERTFR-2024-AVI-0220
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans Cisco IOS XR. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges et un déni de service à distance.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Contournement provisoire
S’il n’est pas possible de procéder à l’installation d’une version corrigeant la vulnérabilité, se référer aux mesures de contournement proposées par l’éditeur à la section Workaround.
NoneImpacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Cisco | IOS XR | IOS XR sur ASR9K-X64 versions 7.3.2 sans le SMU asr9k-x64-7.3.2.CSCwe29150 | ||
| Cisco | IOS XR | IOS XR sur ASR9K-X64 versions 7.8.2 sans le SMU asr9k-x64-7.8.2.CSCwe29150 | ||
| Cisco | IOS XR | IOS XR sur XRD-VROUTER versions 7.8.2 sans le SMU xrd-vrouter-7.8.2.CSCwe29150 | ||
| Cisco | IOS XR | IOS XR sur ASR9K-X64 versions 7.7.2 sans le SMU asr9k-x64-7.7.2.CSCwe29150 | ||
| Cisco | IOS XR | IOS XR sur ASR9K-X64 versions 7.4.2 sans le SMU asr9k-x64-7.4.2.CSCwe29150 | ||
| Cisco | IOS XR | IOS XR versions 7.11.x antérieures à 7.11.1 | ||
| Cisco | IOS XR | IOS XR versions 7.x.x antérieures à 7.10.2 | ||
| Cisco | IOS XR | IOS XR sur ASR9K-X64 versions 7.5.2 sans les SMU asr9k-x64-7.5.2.CSCwe29150 et asr9k-x64-7.5.2.CSCwf75789 |
References
| Title | Publication Time | Tags | |
|---|---|---|---|
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|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "IOS XR sur ASR9K-X64 versions 7.3.2 sans le SMU asr9k-x64-7.3.2.CSCwe29150",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR sur ASR9K-X64 versions 7.8.2 sans le SMU asr9k-x64-7.8.2.CSCwe29150",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR sur XRD-VROUTER versions 7.8.2 sans le SMU xrd-vrouter-7.8.2.CSCwe29150",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR sur ASR9K-X64 versions 7.7.2 sans le SMU asr9k-x64-7.7.2.CSCwe29150",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR sur ASR9K-X64 versions 7.4.2 sans le SMU asr9k-x64-7.4.2.CSCwe29150",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR versions 7.11.x ant\u00e9rieures \u00e0 7.11.1",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR versions 7.x.x ant\u00e9rieures \u00e0 7.10.2",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "IOS XR sur ASR9K-X64 versions 7.5.2 sans les SMU asr9k-x64-7.5.2.CSCwe29150 et asr9k-x64-7.5.2.CSCwf75789",
"product": {
"name": "IOS XR",
"vendor": {
"name": "Cisco",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n\n## Contournement provisoire\n\nS\u2019il n\u2019est pas possible de proc\u00e9der \u00e0 l\u2019installation d\u2019une version\ncorrigeant la vuln\u00e9rabilit\u00e9, se r\u00e9f\u00e9rer aux mesures de contournement\npropos\u00e9es par l\u2019\u00e9diteur \u00e0 la section *Workaround*.\n",
"cves": [
{
"name": "CVE-2024-20320",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-20320"
},
{
"name": "CVE-2024-20318",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-20318"
},
{
"name": "CVE-2024-20327",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-20327"
}
],
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 Cisco\u00a0cisco-sa-xrl2vpn-jesrU3fc du 13 mars 2024",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrl2vpn-jesrU3fc"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Cisco\u00a0cisco-sa-iosxr-ssh-privesc-eWDMKew3 du 13 mars 2024",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ssh-privesc-eWDMKew3"
}
],
"reference": "CERTFR-2024-AVI-0220",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2024-03-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans \u003cspan\nclass=\"textit\"\u003eCisco IOS XR\u003c/span\u003e. Certaines d\u0027entre elles permettent \u00e0\nun attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de\nservice \u00e0 distance.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Cisco IOS XR",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxr-pppma-JKWFgneW du 13 mars 2024",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-pppma-JKWFgneW"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-xrl2vpn-jesrU3fc du 13 mars 2024",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxr-ssh-privesc-eWDMKew3 du 13 mars 2024",
"url": null
}
]
}
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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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