Vulnerability-Lookup

GHSA-VH93-7CH4-7JJR

Vulnerability from github – Published: 2022-03-11 00:02 – Updated: 2022-03-18 00:01

Details

A null byte interaction error has been discovered in the code that the telnetd_startup daemon uses to construct a pair of ephemeral passwords that allow a user to spawn a telnet service on the router, and to ensure that the telnet service persists upon reboot. By means of a crafted exchange of UDP packets, an unauthenticated attacker on the local network can leverage this null byte interaction error in such a way as to make those ephemeral passwords predictable (with 1-in-94 odds). Since the attacker must manipulate data processed by the OpenSSL function RSA_public_decrypt(), successful exploitation of this vulnerability depends on the use of an unpadded RSA cipher (CVE-2022-25218).

Severity ?

8.4 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2022-25219"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-436"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-03-10T17:47:00Z",
    "severity": "HIGH"
  },
  "details": "A null byte interaction error has been discovered in the code that the telnetd_startup daemon uses to construct a pair of ephemeral passwords that allow a user to spawn a telnet service on the router, and to ensure that the telnet service persists upon reboot. By means of a crafted exchange of UDP packets, an unauthenticated attacker on the local network can leverage this null byte interaction error in such a way as to make those ephemeral passwords predictable (with 1-in-94 odds). Since the attacker must manipulate data processed by the OpenSSL function RSA_public_decrypt(), successful exploitation of this vulnerability depends on the use of an unpadded RSA cipher (CVE-2022-25218).",
  "id": "GHSA-vh93-7ch4-7jjr",
  "modified": "2022-03-18T00:01:19Z",
  "published": "2022-03-11T00:02:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-25219"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/research/tra-2022-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-25219 (GCVE-0-2022-25219)

Vulnerability from cvelistv5 – Published: 2022-03-07 21:56 – Updated: 2024-08-03 04:36

Summary

Severity ?

No CVSS data available.

CWE

Null Byte Interaction Error

Assigner

tenable

References

URL

Tags

https://www.tenable.com/security/research/tra-2022-01

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Phicomm Routers	Affected: K3 >= 21.5.37.246, K3C >= 32.1.22.113, K2P >= 20.4.1.7, K2 A7 >= 22.6.506.28, K2G A1 >= 22.6.3.20

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T04:36:05.791Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/research/tra-2022-01"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Phicomm Routers",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "K3 \u003e= 21.5.37.246, K3C \u003e= 32.1.22.113, K2P \u003e= 20.4.1.7, K2 A7 \u003e= 22.6.506.28, K2G A1 \u003e= 22.6.3.20"
            }
          ]
        }
      ],
      "descriptions": [
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Null Byte Interaction Error",
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              "type": "text"
            }
          ]
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      "providerMetadata": {
        "dateUpdated": "2022-03-07T21:56:51",
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        "shortName": "tenable"
      },
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        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2022-25219",
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        },
        "affects": {
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            "vendor_data": [
              {
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                  "product_data": [
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                      "product_name": "Phicomm Routers",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "K3 \u003e= 21.5.37.246, K3C \u003e= 32.1.22.113, K2P \u003e= 20.4.1.7, K2 A7 \u003e= 22.6.506.28, K2G A1 \u003e= 22.6.3.20"
                          }
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                      }
                    }
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                },
                "vendor_name": "n/a"
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        "problemtype": {
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    "assignerShortName": "tenable",
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    "datePublished": "2022-03-07T21:56:51",
    "dateReserved": "2022-02-15T00:00:00",
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  },
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Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VH93-7CH4-7JJR

CVE-2022-25219 (GCVE-0-2022-25219)

Tags

Sightings

Nomenclature