FKIE_CVE-2007-4727

Vulnerability from fkie_nvd - Published: 2007-09-12 19:17 - Updated: 2026-06-16 22:44
Severity
Summary
Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a "header overflow."
References
cve@mitre.orghttp://fedoranews.org/updates/FEDORA-2007-213.shtml
cve@mitre.orghttp://secunia.com/advisories/26732Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/26794
cve@mitre.orghttp://secunia.com/advisories/26824
cve@mitre.orghttp://secunia.com/advisories/26997
cve@mitre.orghttp://secunia.com/advisories/27229
cve@mitre.orghttp://securityreason.com/securityalert/3127
cve@mitre.orghttp://secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/
cve@mitre.orghttp://trac.lighttpd.net/trac/changeset/1986
cve@mitre.orghttp://www.gentoo.org/security/en/glsa/glsa-200709-16.xml
cve@mitre.orghttp://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt
cve@mitre.orghttp://www.novell.com/linux/security/advisories/2007_20_sr.html
cve@mitre.orghttp://www.securityfocus.com/archive/1/479763/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/bid/25622
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/3110
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=284511
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/36526
cve@mitre.orghttps://issues.rpath.com/browse/RPL-1715
af854a3a-2127-422b-91ae-364da2661108http://fedoranews.org/updates/FEDORA-2007-213.shtml
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26732Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26794
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26824
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26997
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/27229
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/3127
af854a3a-2127-422b-91ae-364da2661108http://secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/
af854a3a-2127-422b-91ae-364da2661108http://trac.lighttpd.net/trac/changeset/1986
af854a3a-2127-422b-91ae-364da2661108http://www.gentoo.org/security/en/glsa/glsa-200709-16.xml
af854a3a-2127-422b-91ae-364da2661108http://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2007_20_sr.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/479763/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/25622
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/3110
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=284511
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/36526
af854a3a-2127-422b-91ae-364da2661108https://issues.rpath.com/browse/RPL-1715
Impacted products
Vendor Product Version
lighttpd lighttpd *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "280F8BA1-34E8-4A93-871C-49E6F6826F2C",
              "versionEndIncluding": "1.4.15",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a \"header overflow.\""
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en la funci\u00f3n fcgi_env_add de mod_proxy_backend_fastcgi.c en la extensi\u00f3n mod_fastcgi en lighttpd anterior a 1.4.18 permite a atacantes remotos sobrescribir variables CGI de su elecci\u00f3n y ejecutar c\u00f3digo de su elecci\u00f3n mediante una petici\u00f3n HTTP con una longitud de contenido larga, como se ha demostrado sobrescribiendo la variable SCRIPT_FILENAME, tambi\u00e9n conocido como \"desbordamiento de cabecera\"."
    }
  ],
  "id": "CVE-2007-4727",
  "lastModified": "2026-06-16T22:44:39.827",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": true,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-09-12T19:17:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://fedoranews.org/updates/FEDORA-2007-213.shtml"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/26732"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/26794"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/26824"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/26997"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/27229"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://securityreason.com/securityalert/3127"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://trac.lighttpd.net/trac/changeset/1986"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200709-16.xml"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.novell.com/linux/security/advisories/2007_20_sr.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/479763/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/25622"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2007/3110"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=284511"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36526"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://issues.rpath.com/browse/RPL-1715"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://fedoranews.org/updates/FEDORA-2007-213.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/26732"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/26794"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/26824"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/26997"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/27229"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securityreason.com/securityalert/3127"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://trac.lighttpd.net/trac/changeset/1986"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200709-16.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.novell.com/linux/security/advisories/2007_20_sr.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/479763/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/25622"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/3110"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=284511"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36526"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://issues.rpath.com/browse/RPL-1715"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

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