CVE-2006-4626 (GCVE-0-2006-4626)

Vulnerability from cvelistv5 – Published: 2006-09-07 21:00 – Updated: 2024-08-07 19:14
VLAI
Summary
Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://www.hustlelabs.com/advisories/04072006_alwil.pdf x_refsource_MISC
http://www.securityfocus.com/bid/19903 vdb-entryx_refsource_BID
http://www.vupen.com/english/advisories/2006/3515 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/21794 third-party-advisoryx_refsource_SECUNIA
Date Public
2006-09-07 00:00
Show details on NVD website

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                    "matchCriteriaId": "B6B12B74-07D2-410E-99BB-0E9EBF3B51A7",
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                    "matchCriteriaId": "319673EC-3F80-4AA2-9598-B6BA3CA0EF78",
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                    "matchCriteriaId": "9D0C74DD-7735-4C18-975B-B47CAFD96FD1",
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow."
          },
          {
            "lang": "es",
            "value": "Desbordamiento de b\u00fafer basado en mont\u00edculo en alwil avast! Anti-virus Engine anterior a 4.7.869 permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n mediante un archivo LHA artesanal que contiene cabeceras extendidas con nombres de archivos y directorios cuya concatenaci\u00f3n dispara el desbordamiento."
          }
        ],
        "evaluatorSolution": "This vulnerability is addressed in the following product releases:\r\nALWIL, avast! antivirus, 4.7.869 (for Desktops)\r\nALWIL, avast! antivirus, Server 4.7.660 (for Servers)",
        "id": "CVE-2006-4626",
        "lastModified": "2026-04-16T00:27:16.627",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 7.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": true,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2006-09-07T21:04:00.000",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/21794"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://www.hustlelabs.com/advisories/04072006_alwil.pdf"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/bid/19903"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.vupen.com/english/advisories/2006/3515"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/21794"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://www.hustlelabs.com/advisories/04072006_alwil.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/19903"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2006/3515"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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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.

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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.


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