fkie_cve-2025-40907
Vulnerability from fkie_nvd
Published
2025-05-16 13:15
Modified
2025-09-29 22:43
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library. The included FastCGI library is affected by CVE-2025-23016, causing an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c.
References
9b29abf9-4ab0-4765-b253-1875cd9b441ehttp://www.openwall.com/lists/oss-security/2025/04/23/4Mailing List, Third Party Advisory
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://github.com/FastCGI-Archives/fcgi2/issues/67Exploit, Issue Tracking
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5Release Notes
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://github.com/perl-catalyst/FCGI/issues/14Exploit, Issue Tracking
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://patch-diff.githubusercontent.com/raw/FastCGI-Archives/fcgi2/pull/74.patchPatch
9b29abf9-4ab0-4765-b253-1875cd9b441ehttps://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-libraryExploit, Third Party Advisory
Impacted products
Vendor Product Version
fastcgi fcgi *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fastcgi:fcgi:*:*:*:*:*:perl:*:*",
              "matchCriteriaId": "1C317242-A340-4C14-BD59-592760BCB0B6",
              "versionEndIncluding": "0.82",
              "versionStartIncluding": "0.44",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library.\n\nThe included FastCGI library is affected by  CVE-2025-23016, causing an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c."
    },
    {
      "lang": "es",
      "value": "Las versiones 0.44 a 0.82 de FCGI para Perl incluyen una versi\u00f3n vulnerable de la librer\u00eda FastCGI fcgi2 (tambi\u00e9n conocida como fcgi). Esta librer\u00eda est\u00e1 afectada por CVE-2025-23016, lo que provoca un desbordamiento de enteros (y el consiguiente desbordamiento del b\u00fafer en el mont\u00f3n) mediante valores nameLen o valueLen manipulados en los datos del socket IPC. Esto ocurre en ReadParams de fcgiapp.c."
    }
  ],
  "id": "CVE-2025-40907",
  "lastModified": "2025-09-29T22:43:59.123",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-05-16T13:15:52.683",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2025/04/23/4"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://github.com/FastCGI-Archives/fcgi2/issues/67"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://github.com/perl-catalyst/FCGI/issues/14"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Patch"
      ],
      "url": "https://patch-diff.githubusercontent.com/raw/FastCGI-Archives/fcgi2/pull/74.patch"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-library"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        },
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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