Vulnerability-Lookup

GHSA-4FVM-5VR9-WQ7P

Vulnerability from github – Published: 2026-04-05 21:30 – Updated: 2026-04-05 21:30

Details

a-Mac Address Change 5.4 contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying oversized input to registration form fields. Attackers can paste 212 bytes of data into the 'Your Name', 'Your Company', or 'Register Code' fields and click the Register button to trigger a denial of service crash.

Severity

5.5 (Medium)


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

6.8 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2019-25658"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-05T21:16:42Z",
    "severity": "MODERATE"
  },
  "details": "a-Mac Address Change 5.4 contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying oversized input to registration form fields. Attackers can paste 212 bytes of data into the \u0027Your Name\u0027, \u0027Your Company\u0027, or \u0027Register Code\u0027 fields and click the Register button to trigger a denial of service crash.",
  "id": "GHSA-4fvm-5vr9-wq7p",
  "modified": "2026-04-05T21:30:19Z",
  "published": "2026-04-05T21:30:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25658"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/46292"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/a-mac-address-change-local-buffer-overflow-dos"
    },
    {
      "type": "WEB",
      "url": "http://amac.paqtool.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2019-25658 (GCVE-0-2019-25658)

Vulnerability from cvelistv5 – Published: 2026-04-05 20:45 – Updated: 2026-04-06 18:10

Title

a-Mac Address Change 5.4 Local Buffer Overflow DoS

Summary

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

5.5 (Medium)


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

CWE

CWE-787 - Out-of-bounds Write

Assigner

VulnCheck

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/46292	exploit
http://amac.paqtool.com/	product
https://www.vulncheck.com/advisories/a-mac-addres…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
Amac	Mac Address Change	Affected: 5.4

Date Public

2019-01-30 00:00

Credits

Rafael Pedrero

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2019-25658",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-06T18:09:52.849694Z",
                "version": "2.0.3"
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          "versions": [
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            }
          ]
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          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.8,
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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      "references": [
        {
          "name": "ExploitDB-46292",
          "tags": [
            "exploit"
          ],
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        },
        {
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          "tags": [
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          ],
          "url": "http://amac.paqtool.com/"
        },
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          "name": "VulnCheck Advisory: a-Mac Address Change 5.4 Local Buffer Overflow DoS",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/a-mac-address-change-local-buffer-overflow-dos"
        }
      ],
      "title": "a-Mac Address Change 5.4 Local Buffer Overflow DoS",
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  "cveMetadata": {
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}

Sightings

Author	Source	Type	Date	Other

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-4FVM-5VR9-WQ7P

CVE-2019-25658 (GCVE-0-2019-25658)

Tags

Sightings

Nomenclature