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I. Basic Information for CVE-2011-0421
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHP Zip扩展_zip_name_locate函数拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP(PHP:Hypertext Preprocessor,PHP:超文本预处理器)是PHP Group和开放源代码社区共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发,支持多种数据库及操作系统。 PHP 5.3.6之前版本的Zip扩展的zip_name_locate.c中的_zip_name_locate函数没有正确处理ZIPARCHIVE::FL_UNCHANGED参数。上下文攻击者可借助由locateName或statName操作处理的空ZIP存档,导致拒绝服务(空指针解引用)。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2011-0421
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III. Intelligence Information for CVE-2011-0421
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