FKIE_CVE-2009-3294

Vulnerability from fkie_nvd - Published: 2009-09-22 10:30 - Updated: 2026-04-23 00:35
Severity
Summary
The popen API function in TSRM/tsrm_win32.c in PHP before 5.2.11 and 5.3.x before 5.3.1, when running on certain Windows operating systems, allows context-dependent attackers to cause a denial of service (crash) via a crafted (1) "e" or (2) "er" string in the second argument (aka mode), possibly related to the _fdopen function in the Microsoft C runtime library. NOTE: this might not cross privilege boundaries except in rare cases in which the mode argument is accessible to an attacker outside of an application that uses the popen function.
References
cve@mitre.orghttp://bugs.php.net/bug.php?id=44683Exploit, Vendor Advisory
cve@mitre.orghttp://news.php.net/php.announce/79Vendor Advisory
cve@mitre.orghttp://svn.php.net/viewvc?view=revision&revision=287779Vendor Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2009/09/20/1Mailing List, Patch
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2009/11/20/2Mailing List
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2009/11/20/3Mailing List
cve@mitre.orghttp://www.osvdb.org/58188Broken Link
cve@mitre.orghttp://www.php.net/ChangeLog-5.phpVendor Advisory
cve@mitre.orghttp://www.php.net/ChangeLog-5.php#5.2.11Vendor Advisory
cve@mitre.orghttp://www.php.net/releases/5_2_11.phpPatch, Vendor Advisory
cve@mitre.orghttp://www.php.net/releases/5_3_1.phpVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://bugs.php.net/bug.php?id=44683Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://news.php.net/php.announce/79Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://svn.php.net/viewvc?view=revision&revision=287779Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2009/09/20/1Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2009/11/20/2Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2009/11/20/3Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/58188Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/ChangeLog-5.phpVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/ChangeLog-5.php#5.2.11Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/releases/5_2_11.phpPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/releases/5_3_1.phpVendor Advisory
Impacted products
Vendor Product Version
php php *
php php *
microsoft windows_7 *
microsoft windows_server_2008 *
microsoft windows_xp *
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The popen API function in TSRM/tsrm_win32.c in PHP before 5.2.11 and 5.3.x before 5.3.1, when running on certain Windows operating systems, allows context-dependent attackers to cause a denial of service (crash) via a crafted (1) \"e\" or (2) \"er\" string in the second argument (aka mode), possibly related to the _fdopen function in the Microsoft C runtime library. NOTE: this might not cross privilege boundaries except in rare cases in which the mode argument is accessible to an attacker outside of an application that uses the popen function."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n popen de la API en el archivo TSRM/tsrm_win32.c en PHP anterior a versi\u00f3n 5.2.11 y versi\u00f3n 5.3.x anterior a 5.3.1, cuando se ejecuta en ciertos sistemas operativos de Windows, permite que los atacantes dependiendo del contexto causen una denegaci\u00f3n de servicio (bloqueo) mediante una cadena (1) \"e\" o (2) \"er\" en el segundo argumento (tambi\u00e9n se conoce como modo), posiblemente relacionado a la funci\u00f3n _fdopen en la biblioteca runtime de Microsoft C. NOTA: esto podr\u00eda no cruzar los l\u00edmites de privilegios, excepto en casos excepcionales en los que el argumento mode es accesible para un atacante fuera de una aplicaci\u00f3n que utiliza la funci\u00f3n popen."
    }
  ],
  "id": "CVE-2009-3294",
  "lastModified": "2026-04-23T00:35:47.467",
  "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",
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      "comment": "Not vulnerable. This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 3, 4, or 5, and Red Hat Application Stack v2.",
      "lastModified": "2009-09-24T00:00:00",
      "organization": "Red Hat"
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          "lang": "en",
          "value": "CWE-134"
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      "source": "nvd@nist.gov",
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}


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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.


Detection rules are retrieved from Rulezet.