github - ghsa-fvpf-4m7h-jg3p

ghsa-fvpf-4m7h-jg3p

Vulnerability from github

Published

2022-05-24 17:01

Modified

2022-05-24 17:01

Details

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of privileged access as administrators when connecting to the device via SSH (while their permissions via the web interface are in fact restricted). This allows normal users to obtain the administrative password by running the tech-support command via the CLI: this contains the encrypted passwords for all users on the device. As these passwords are encrypted using well-known and static parameters, they can be decrypted and the original passwords (including the administrator password) can be obtained.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2019-15799"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-11-14T21:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of privileged access as administrators when connecting to the device via SSH (while their permissions via the web interface are in fact restricted). This allows normal users to obtain the administrative password by running the tech-support command via the CLI: this contains the encrypted passwords for all users on the device. As these passwords are encrypted using well-known and static parameters, they can be decrypted and the original passwords (including the administrator password) can be obtained.",
  "id": "GHSA-fvpf-4m7h-jg3p",
  "modified": "2022-05-24T17:01:17Z",
  "published": "2022-05-24T17:01:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15799"
    },
    {
      "type": "WEB",
      "url": "https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html"
    },
    {
      "type": "WEB",
      "url": "https://vimeo.com/354726424"
    },
    {
      "type": "WEB",
      "url": "https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2019-15799

Vulnerability from cvelistv5

Published

2019-11-14 20:16

Modified

2024-08-05 00:56

Severity ?

Summary

References

▼	URL	Tags
	https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html	x_refsource_MISC
	https://vimeo.com/354726424	x_refsource_MISC
	https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:56:22.461Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://vimeo.com/354726424"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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        }
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            },
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            },
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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.
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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