FKIE_CVE-2007-1673

Vulnerability from fkie_nvd - Published: 2007-05-09 01:19 - Updated: 2026-06-16 22:38
Severity
Summary
unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file.
Impacted products
Vendor Product Version
amavis amavis *
avast avast_antivirus *
avast avast_antivirus 4.6.394
avast avast_antivirus 4.7.652
avast avast_antivirus 4.7.700
avast avast_antivirus_home 4.0
avast avast_antivirus_home 4.6
avast avast_antivirus_home 4.6.652
avast avast_antivirus_home 4.6.655
avast avast_antivirus_home 4.6.665
avast avast_antivirus_home 4.6.691
avast avast_antivirus_home 4.7.827
avast avast_antivirus_home 4.7.827
avast avast_antivirus_home 4.7.844
avast avast_antivirus_home 4.7.844
avast avast_antivirus_home 4.7.869
avast avast_antivirus_home 4.7.869
avast avast_antivirus_home 4.7.1043
avast avast_antivirus_home 4.7.1043
avast avast_antivirus_home 4.7.1098
avast avast_antivirus_home 4.7.1098
avast avast_antivirus_professional 4.0
avast avast_antivirus_professional 4.6
avast avast_antivirus_professional 4.6.603
avast avast_antivirus_professional 4.6.652
avast avast_antivirus_professional 4.6.665
avast avast_antivirus_professional 4.6.691
avast avast_antivirus_professional 4.7.827
avast avast_antivirus_professional 4.7.827
avast avast_antivirus_professional 4.7.844
avast avast_antivirus_professional 4.7.844
avast avast_antivirus_professional 4.7.869
avast avast_antivirus_professional 4.7.1043
avast avast_antivirus_professional 4.7.1043
avast avast_antivirus_professional 4.7.1098
avira antivir *
avira antivir 6.35.00.00
avira antivir 7.04.00.23
avira antivir_personal *
avira antivir_personal *
avira antivir_personal *
avira antivir_personal *
avira antivir_personal 7
avira antivir_personal 7
panda panda_antivirus 2007
panda panda_antivirus_and_firewall 2007
picozip picozip *
rahul_dhesi zoo *
unzoo unzoo 4.4
winace winace *
barracuda_networks barracuda_spam_firewall *
barracuda_networks barracuda_spam_firewall model_100
barracuda_networks barracuda_spam_firewall model_200
barracuda_networks barracuda_spam_firewall model_300
barracuda_networks barracuda_spam_firewall model_400
barracuda_networks barracuda_spam_firewall model_500
barracuda_networks barracuda_spam_firewall model_600
barracuda_networks barracuda_spam_firewall model_800
barracuda_networks barracuda_spam_firewall model_900

{
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    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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            },
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              "vulnerable": true
            },
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              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file."
    },
    {
      "lang": "es",
      "value": "El archivo unzoo.c, tal como se utiliza en varios productos, incluyendo AMaViS versi\u00f3n 2.4.1 y anteriores, permite a los atacantes remotos causar una denegaci\u00f3n de servicio (bucle infinito) por medio de un archivo ZOO con una estructura direntry que apunta hacia un archivo anterior."
    }
  ],
  "evaluatorSolution": "http://xforce.iss.net/xforce/xfdb/34080\r\n\r\n\r\nFor Barracuda Spam Firewall:\r\nUpgrade to the latest virus definition version of Barracuda Spam Firewall (virusdef 2.0.6399 for 3.4 and after or virusdef 2.0.6399o for prior to 3.4), available from the automatic update.\r\n\r\nFor Panda Software Antivirus:\r\nUpgrade to the latest version of Panda Software Antivirus (4/2/2007 or later), available from the automatic update feature.\r\n\r\nFor avast! antivirus:\r\nUpgrade to the latest version of Panda Software Antivirus (4.7.981 or later), available from the avast! antivirus Web site. See references.\r\n\r\nFor Avira AntiVir:\r\nUpgrade to the latest version of Avira AntiVir (avpack32.dll version 7.3.0.6 or later), available from the automatic update feature.\r\n\r\nFor AMaViS:\r\nRefer to ASA-2007-2 for patch, upgrade, or suggested workaround information. See References.",
  "id": "CVE-2007-1673",
  "lastModified": "2026-06-16T22:38:05.207",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-05-09T01:19:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/36208"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/25315"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://securityreason.com/securityalert/2680"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.amavis.org/security/asa-2007-2.txt"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/467646/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.securityfocus.com/bid/23823"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34080"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/36208"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/25315"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securityreason.com/securityalert/2680"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.amavis.org/security/asa-2007-2.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/467646/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.securityfocus.com/bid/23823"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34080"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Taxonomy of the tags.


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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Events included in the timeline

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    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.