FKIE_CVE-2009-2620

Vulnerability from fkie_nvd - Published: 2009-07-29 17:30 - Updated: 2025-10-10 10:26
Severity ?
Summary
src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.
References
cve@mitre.orghttp://tracker.firebirdsql.org/browse/CORE-2563Vendor Advisory
cve@mitre.orghttp://www.coresecurity.com/content/firebird-sql-dosExploit
cve@mitre.orghttp://www.exploit-db.com/exploits/9295Exploit
cve@mitre.orghttp://www.securityfocus.com/bid/35842Exploit, Patch
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=514463Issue Tracking
cve@mitre.orghttps://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.htmlBroken Link
cve@mitre.orghttps://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://tracker.firebirdsql.org/browse/CORE-2563Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.coresecurity.com/content/firebird-sql-dosExploit
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/9295Exploit
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35842Exploit, Patch
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=514463Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.htmlBroken Link
Impacted products
Vendor Product Version
firebirdsql firebird *
firebirdsql firebird *
firebirdsql firebird *
firebirdsql firebird 2.5.0
firebirdsql firebird 2.5.0
firebirdsql firebird 2.5.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference."
    },
    {
      "lang": "es",
      "value": "src/remote/server.cpp en fbserver.exe en Firebird SQL v1.5 anterior a v1.5.6, v2.0 anterior a v2.0.6, v2.1 anterior a v2.1.3, y v2.5 anterior a v2.5 Beta 2, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de demonio) a trav\u00e9s de un mensaje op_connect_request mal formado que provoca un bucle infinito o una deferencia a puntero NULL."
    }
  ],
  "id": "CVE-2009-2620",
  "lastModified": "2025-10-10T10:26:26.423",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2009-07-29T17:30:01.280",
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          "value": "CWE-20"
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      "source": "nvd@nist.gov",
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}


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  • 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.
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Detection rules are retrieved from Rulezet.