certfr_avis - certfr-2023-avi-0266

CERTFR-2023-AVI-0266

Vulnerability from certfr_avis

Une vulnérabilités a été découverte dans les produits Cisco. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité 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).

None

Impacted products

	Vendor	Product	Description
	Cisco	Firepower Threat Defense	Cisco Firepower Threat Defense (FTD) versions antérieures à 6.4.0
	Cisco	Adaptive Security Appliance	Cisco Adaptive Security Appliance (ASA) versions antérieures à 9.12.1

References

Title

Publication Time

Tags

Bulletin de sécurité Cisco cisco-sa-asa5500x-entropy-6v9bHVYP du 22 mars 2023

None

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Cisco Firepower Threat Defense (FTD) versions ant\u00e9rieures \u00e0 6.4.0",
      "product": {
        "name": "Firepower Threat Defense",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco Adaptive Security Appliance (ASA) versions ant\u00e9rieures \u00e0 9.12.1",
      "product": {
        "name": "Adaptive Security Appliance",
        "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",
  "cves": [
    {
      "name": "CVE-2023-20107",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-20107"
    }
  ],
  "initial_release_date": "2023-03-28T00:00:00",
  "last_revision_date": "2023-03-28T00:00:00",
  "links": [],
  "reference": "CERTFR-2023-AVI-0266",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2023-03-28T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9s a \u00e9t\u00e9 d\u00e9couverte dans les produits Cisco. Elle permet\n\u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9\net une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans les produits Cisco",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-asa5500x-entropy-6v9bHVYP du 22 mars 2023",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa5500x-entropy-6v9bHVYP"
    }
  ]
}

CVE-2023-20107 (GCVE-0-2023-20107)

Vulnerability from cvelistv5

Published

2023-03-23 00:00

Modified

2024-10-28 16:31

Severity ?

5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-332

Summary

A vulnerability in the deterministic random bit generator (DRBG), also known as pseudorandom number generator (PRNG), in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco ASA 5506-X, ASA 5508-X, and ASA 5516-X Firewalls could allow an unauthenticated, remote attacker to cause a cryptographic collision, enabling the attacker to discover the private key of an affected device. This vulnerability is due to insufficient entropy in the DRBG for the affected hardware platforms when generating cryptographic keys. An attacker could exploit this vulnerability by generating a large number of cryptographic keys on an affected device and looking for collisions with target devices. A successful exploit could allow the attacker to impersonate an affected target device or to decrypt traffic secured by an affected key that is sent to or from an affected target device.

References

URL

Tags

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa5500x-entropy-6v9bHVYP

vendor-advisory

Impacted products

	Vendor	Product	Version
	Cisco	Cisco Adaptive Security Appliance (ASA) Software	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T08:57:35.883Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20230322 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa5500x-entropy-6v9bHVYP"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-20107",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-28T16:24:36.112775Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-28T16:31:56.892Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco Adaptive Security Appliance (ASA) Software ",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2023-03-22T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the deterministic random bit generator (DRBG), also known as pseudorandom number generator (PRNG), in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco ASA 5506-X, ASA 5508-X, and ASA 5516-X Firewalls could allow an unauthenticated, remote attacker to cause a cryptographic collision, enabling the attacker to discover the private key of an affected device. This vulnerability is due to insufficient entropy in the DRBG for the affected hardware platforms when generating cryptographic keys. An attacker could exploit this vulnerability by generating a large number of cryptographic keys on an affected device and looking for collisions with target devices. A successful exploit could allow the attacker to impersonate an affected target device or to decrypt traffic secured by an affected key that is sent to or from an affected target device."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-332",
              "description": "CWE-332",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-23T00:00:00",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20230322 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa5500x-entropy-6v9bHVYP"
        }
      ],
      "source": {
        "advisory": "cisco-sa-asa5500x-entropy-6v9bHVYP",
        "defect": [
          [
            "CSCvm90511"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2023-20107",
    "datePublished": "2023-03-23T00:00:00",
    "dateReserved": "2022-10-27T00:00:00",
    "dateUpdated": "2024-10-28T16:31:56.892Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

CERTFR-2023-AVI-0266

Vulnerability from certfr_avis

Solution

CVE-2023-20107 (GCVE-0-2023-20107)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature