github - ghsa-j2wp-f4r8-6834

ghsa-j2wp-f4r8-6834

Vulnerability from github

Published

2023-09-13 18:31

Modified

2024-01-25 18:30

Severity ?

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.

This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-20236"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345",
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-09-13T17:15:09Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.\n\n This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.",
  "id": "GHSA-j2wp-f4r8-6834",
  "modified": "2024-01-25T18:30:44Z",
  "published": "2023-09-13T18:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20236"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-20236

Vulnerability from cvelistv5

Published

2023-09-13 16:39

Modified

2024-10-23 19:10

Severity ?

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

References

▼	URL	Tags
	https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB

Impacted products

▼	Vendor	Product
	Cisco	Cisco IOS XR Software

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T09:05:35.905Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB",
            "tags": [
              "x_transferred"
            ],
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:cisco:ios_xr_software:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "ios_xr_software",
            "vendor": "cisco",
            "versions": [
              {
                "lessThanOrEqual": "7.9.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-20236",
                "options": [
                  {
                    "Exploitation": "None"
                  },
                  {
                    "Automatable": "No"
                  },
                  {
                    "Technical Impact": "Total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2023-11-15T16:36:16.200980Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-23T19:10:48.388Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "Cisco IOS XR Software",
          "vendor": "Cisco",
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              "version": "5.3.3"
            },
            {
              "status": "affected",
              "version": "5.3.4"
            },
            {
              "status": "affected",
              "version": "6.0.0"
            },
            {
              "status": "affected",
              "version": "6.0.1"
            },
            {
              "status": "affected",
              "version": "6.0.2"
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            {
              "status": "affected",
              "version": "6.1.1"
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            {
              "status": "affected",
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            {
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            },
            {
              "status": "affected",
              "version": "6.1.42"
            },
            {
              "status": "affected",
              "version": "6.2.1"
            },
            {
              "status": "affected",
              "version": "6.2.2"
            },
            {
              "status": "affected",
              "version": "6.2.3"
            },
            {
              "status": "affected",
              "version": "6.2.25"
            },
            {
              "status": "affected",
              "version": "6.2.11"
            },
            {
              "status": "affected",
              "version": "6.3.2"
            },
            {
              "status": "affected",
              "version": "6.3.3"
            },
            {
              "status": "affected",
              "version": "6.3.15"
            },
            {
              "status": "affected",
              "version": "6.4.1"
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            },
            {
              "status": "affected",
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              "version": "6.5.2"
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            {
              "status": "affected",
              "version": "6.5.3"
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              "status": "affected",
              "version": "6.5.25"
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            {
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              "status": "affected",
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              "status": "affected",
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            {
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              "version": "6.5.33"
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              "status": "affected",
              "version": "6.6.2"
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              "version": "6.6.3"
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            {
              "status": "affected",
              "version": "6.6.25"
            },
            {
              "status": "affected",
              "version": "6.6.4"
            },
            {
              "status": "affected",
              "version": "7.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.2"
            },
            {
              "status": "affected",
              "version": "7.0.12"
            },
            {
              "status": "affected",
              "version": "7.0.14"
            },
            {
              "status": "affected",
              "version": "7.1.1"
            },
            {
              "status": "affected",
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              "version": "7.1.2"
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              "status": "affected",
              "version": "7.1.3"
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              "version": "6.7.1"
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            {
              "status": "affected",
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              "status": "affected",
              "version": "6.7.3"
            },
            {
              "status": "affected",
              "version": "6.7.4"
            },
            {
              "status": "affected",
              "version": "7.2.0"
            },
            {
              "status": "affected",
              "version": "7.2.1"
            },
            {
              "status": "affected",
              "version": "7.2.2"
            },
            {
              "status": "affected",
              "version": "7.3.1"
            },
            {
              "status": "affected",
              "version": "7.3.15"
            },
            {
              "status": "affected",
              "version": "7.3.2"
            },
            {
              "status": "affected",
              "version": "7.3.3"
            },
            {
              "status": "affected",
              "version": "7.3.5"
            },
            {
              "status": "affected",
              "version": "7.4.1"
            },
            {
              "status": "affected",
              "version": "7.4.2"
            },
            {
              "status": "affected",
              "version": "6.8.1"
            },
            {
              "status": "affected",
              "version": "6.8.2"
            },
            {
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              "version": "7.5.1"
            },
            {
              "status": "affected",
              "version": "7.5.3"
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              "status": "affected",
              "version": "7.5.2"
            },
            {
              "status": "affected",
              "version": "7.5.4"
            },
            {
              "status": "affected",
              "version": "7.6.1"
            },
            {
              "status": "affected",
              "version": "7.6.2"
            },
            {
              "status": "affected",
              "version": "7.7.1"
            },
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              "version": "7.7.21"
            },
            {
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            },
            {
              "status": "affected",
              "version": "6.9.2"
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            {
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            },
            {
              "status": "affected",
              "version": "7.8.2"
            },
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              "version": "7.9.1"
            },
            {
              "status": "affected",
              "version": "7.9.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.\r\n\r This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-08-07T19:50:10.951Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB"
        }
      ],
      "source": {
        "advisory": "cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB",
        "defects": [
          "CSCvz63925",
          "CSCvz63918",
          "CSCwe12502",
          "CSCvz63929",
          "CSCwi31568",
          "CSCwh78724",
          "CSCwi26526",
          "CSCwh70601",
          "CSCwh78727",
          "CSCwj83430",
          "CSCwj88475"
        ],
        "discovery": "INTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2023-20236",
    "datePublished": "2023-09-13T16:39:19.418Z",
    "dateReserved": "2022-10-27T18:47:50.370Z",
    "dateUpdated": "2024-10-23T19:10:48.388Z",
    "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.
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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