github - ghsa-4jm8-qw96-rm2j

ghsa-4jm8-qw96-rm2j

Vulnerability from github

Published

2025-08-13 09:30

Modified

2025-08-13 09:30

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Details

A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-8760"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-13T07:15:28Z",
    "severity": "CRITICAL"
  },
  "details": "A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely.",
  "id": "GHSA-4jm8-qw96-rm2j",
  "modified": "2025-08-13T09:30:31Z",
  "published": "2025-08-13T09:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-8760"
    },
    {
      "type": "WEB",
      "url": "https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.319863"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.319863"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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-2025-8760

Vulnerability from cvelistv5

Published

2025-08-13 06:14

Modified

2025-08-13 06:14

Severity ?

9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/RL:W/RC:R
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/RL:W/RC:R

Summary

INSTAR 2K+/4K fcgi_server base64_decode buffer overflow

References

▼	URL	Tags
	https://vuldb.com/?id.319863	vdb-entry, technical-description
	https://vuldb.com/?ctiid.319863	signature, permissions-required
	https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf	related

Impacted products

▼	Vendor	Product
	INSTAR	2K+
	INSTAR	4K

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "modules": [
            "fcgi_server"
          ],
          "product": "2K+",
          "vendor": "INSTAR",
          "versions": [
            {
              "status": "affected",
              "version": "3.11.1 Build 1124"
            }
          ]
        },
        {
          "modules": [
            "fcgi_server"
          ],
          "product": "4K",
          "vendor": "INSTAR",
          "versions": [
            {
              "status": "affected",
              "version": "3.11.1 Build 1124"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Michael Imfeld (modzero AG)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely."
        },
        {
          "lang": "de",
          "value": "Dabei betrifft es die Funktion base64_decode der Komponente fcgi_server. Mittels dem Manipulieren des Arguments Authorization mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 10,
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:W/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-13T06:14:02.783Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-319863 | INSTAR 2K+/4K fcgi_server base64_decode buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.319863"
        },
        {
          "name": "VDB-319863 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.319863"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-08-13T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-08-13T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-08-13T08:18:23.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "INSTAR 2K+/4K fcgi_server base64_decode buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-8760",
    "datePublished": "2025-08-13T06:14:02.783Z",
    "dateReserved": "2025-08-08T15:37:24.885Z",
    "dateUpdated": "2025-08-13T06:14:02.783Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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