FKIE_CVE-2007-3946

Vulnerability from fkie_nvd - Published: 2007-07-24 00:30 - Updated: 2026-06-16 22:43
Severity
Summary
mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.
References
cve@mitre.orghttp://osvdb.org/38314
cve@mitre.orghttp://osvdb.org/38315
cve@mitre.orghttp://osvdb.org/38316
cve@mitre.orghttp://osvdb.org/38317
cve@mitre.orghttp://secunia.com/advisories/26130Patch
cve@mitre.orghttp://secunia.com/advisories/26158Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/26505
cve@mitre.orghttp://secunia.com/advisories/26593
cve@mitre.orghttp://security.gentoo.org/glsa/glsa-200708-11.xml
cve@mitre.orghttp://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
cve@mitre.orghttp://trac.lighttpd.net/trac/changeset/1875
cve@mitre.orghttp://www.debian.org/security/2007/dsa-1362
cve@mitre.orghttp://www.novell.com/linux/security/advisories/2007_15_sr.html
cve@mitre.orghttp://www.securityfocus.com/archive/1/474131/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/bid/24967
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/2585
cve@mitre.orghttps://issues.rpath.com/browse/RPL-1550
cve@mitre.orghttps://issues.rpath.com/browse/RPL-1554
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/38314
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/38315
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/38316
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/38317
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26130Patch
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26158Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26505
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26593
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-200708-11.xml
af854a3a-2127-422b-91ae-364da2661108http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875
af854a3a-2127-422b-91ae-364da2661108http://trac.lighttpd.net/trac/changeset/1875
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2007/dsa-1362
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2007_15_sr.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/474131/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/24967
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/2585
af854a3a-2127-422b-91ae-364da2661108https://issues.rpath.com/browse/RPL-1550
af854a3a-2127-422b-91ae-364da2661108https://issues.rpath.com/browse/RPL-1554
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": "mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header."
    },
    {
      "lang": "es",
      "value": "mod_auth (http_auth.c) en lighttpd anterior a 1.4.16 permite a atacantes remotos provocar denegaci\u00f3n de servicio (caida de demonio) a trav\u00e9s de vectores no especificados afectando a (1)una debilidad de memoria, (2)utilizaci\u00f3n de md5-sess sin un cnonce, (3) cadenas c\u00f3dificadas en base64, y (4) restos de espacios en blanco en la cabecera Auth-Digest."
    }
  ],
  "id": "CVE-2007-3946",
  "lastModified": "2026-06-16T22:43:06.560",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-07-24T00:30:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/38314"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/38315"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/38316"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/38317"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://secunia.com/advisories/26130"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/26158"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/26505"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/26593"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://security.gentoo.org/glsa/glsa-200708-11.xml"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://trac.lighttpd.net/trac/changeset/1875"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2007/dsa-1362"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.novell.com/linux/security/advisories/2007_15_sr.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/474131/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/24967"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2007/2585"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://issues.rpath.com/browse/RPL-1550"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://issues.rpath.com/browse/RPL-1554"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/38314"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/38315"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/38316"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/38317"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://secunia.com/advisories/26130"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/26158"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/26505"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/26593"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://security.gentoo.org/glsa/glsa-200708-11.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://trac.lighttpd.net/trac/changeset/1875"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2007/dsa-1362"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.novell.com/linux/security/advisories/2007_15_sr.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/474131/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/24967"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/2585"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://issues.rpath.com/browse/RPL-1550"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://issues.rpath.com/browse/RPL-1554"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.