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CERTFR-2021-AVI-800
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Tenable.sc. Elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à l'intégrité des données et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
        
      References
        | Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
| 
 | ||||||||
{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Tenable.sc toutes versions sans le correctif 202110.1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Tenable",
          "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",
  "cves": [
    {
      "name": "CVE-2021-34798",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-34798"
    },
    {
      "name": "CVE-2021-33193",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-33193"
    },
    {
      "name": "CVE-2021-40438",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40438"
    }
  ],
  "initial_release_date": "2021-10-20T00:00:00",
  "last_revision_date": "2021-10-20T00:00:00",
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 Tenable TNS-2021-17 du 19 octobre 2021",
      "url": "https://fr.tenable.com/security/tns-2021-17"
    }
  ],
  "reference": "CERTFR-2021-AVI-800",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-10-20T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Tenable.sc. Elles\npermettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance,\nune atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans  Tenable.sc",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Tenable TNS-2021-17 du 19 octobre 2021",
      "url": null
    }
  ]
}
  CVE-2021-34798 (GCVE-0-2021-34798)
Vulnerability from cvelistv5
Published
2021-09-16 14:40
      Modified
2024-08-04 00:26
      
          Severity ?
        
        
          VLAI Severity ?
        
        
          EPSS score ?
        
        CWE
          - CWE-476 - NULL Pointer Dereference
Summary
Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
            
          
        References
          Impacted products
        | Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | Version: Apache HTTP Server 2.4   < | 
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    "assignerShortName": "apache",
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    "datePublished": "2021-09-16T14:40:17",
    "dateReserved": "2021-06-16T00:00:00",
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  CVE-2021-33193 (GCVE-0-2021-33193)
Vulnerability from cvelistv5
Published
2021-08-16 00:00
      Modified
2024-08-03 23:42
      
          Severity ?
        
        
          VLAI Severity ?
        
        
          EPSS score ?
        
        CWE
          - Request Splitting
Summary
A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
            
          
        References
          | URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
 | |||||||||||||||||||||||||||||||||||||||||
Impacted products
        | Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | Version: Apache HTTP Server 2.4 2.4.17 to 2.4.48 | 
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  CVE-2021-40438 (GCVE-0-2021-40438)
Vulnerability from cvelistv5
Published
2021-09-16 14:40
      Modified
2025-10-21 23:25
      
          Severity ?
        
        
          VLAI Severity ?
        
        
          EPSS score ?
        
        CWE
          - CWE-918 - Server Side Request Forgery (SSRF)
Summary
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
            
          
        References
          | URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
        | Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | Version: Apache HTTP Server 2.4   < | 
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      Sightings
| Author | Source | Type | Date | 
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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