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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.
The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (application crash) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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La función _zip_name_locate en zip_name_locate.c en la extensión Zip en PHP en versiones anteriores a 5.3.6 no maneja adecuadamente un argumento ZIPARCHIVE::FL_UNCHANGED, lo que podría permitir a atacantes dependientes del contexto provocar una denegación de servicio (referencia a puntero NULL) a través de un archivo ZIP vacío que es procesado con una operación (1) locateName or (2) statName.
Removed
Translation
La función _zip_name_locate en zip_name_locate.c en la extensión Zip en PHP anteriores a v5.3.6 no gestiona correctamente el argumento ZipArchive::FL_UNCHANGED, lo que podría permitir a atacantes dependientes de contexto provocar una denegación de servicio (caída de la aplicación) a través de un archivo ZIP vacío que se procesa con operaciones (1) locateName o (2) statName.
CVE Modified by CERT/CC8/22/2016 10:03:06 PM
Action
Type
Old Value
New Value
Added
Reference
http://marc.info/?l=bugtraq&m=133469208622507&w=2
Initial CVE Analysis3/21/2011 12:17:00 PM
Action
Type
Old Value
New Value
Quick Info
CVE Dictionary Entry: CVE-2011-0421 NVD
Published Date: 03/19/2011 NVD
Last Modified: 10/30/2018
Source: CERT/CC