CWE-50: Path Equivalence: '//multiple/leading/slash'

Variant Incomplete Simple

CWE版本: 4.18

更新日期: 2025-09-09

弱点描述

The product accepts path input in the form of multiple leading slash ('//multiple/leading/slash') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.

常见后果

影响范围: Confidentiality Integrity

技术影响: Read Files or Directories Modify Files or Directories

观察示例

参考: CVE-2002-1483

Read files with full pathname using multiple internal slash.

参考: CVE-1999-1456

Server allows remote attackers to read arbitrary files via a GET request with more than one leading / (slash) character in the filename.

参考: CVE-2004-0578

Server allows remote attackers to read arbitrary files via leading slash (//) characters in a URL request.

参考: CVE-2002-0275

Server allows remote attackers to bypass authentication and read restricted files via an extra / (slash) in the requested URL.

参考: CVE-2004-1032

Product allows local users to delete arbitrary files or create arbitrary empty files via a target filename with a large number of leading slash (/) characters.

参考: CVE-2002-1238

Server allows remote attackers to bypass access restrictions for files via an HTTP request with a sequence of multiple / (slash) characters such as http://www.example.com///file/.

参考: CVE-2004-1878

Product allows remote attackers to bypass authentication, obtain sensitive information, or gain access via a direct request to admin/user.pl preceded by // (double leading slash).

参考: CVE-2005-1365

Server allows remote attackers to execute arbitrary commands via a URL with multiple leading "/" (slash) characters and ".." sequences.

参考: CVE-2000-1050

Access directory using multiple leading slash.

参考: CVE-2001-1072

Bypass access restrictions via multiple leading slash, which causes a regular expression to fail.

参考: CVE-2004-0235

Archive extracts to arbitrary files using multiple leading slash in filenames in the archive.

引入模式

阶段 说明
Implementation -

适用平台

编程语言
Not Language-Specific (Undetermined)

分类映射

分类名称 条目ID 条目名称 映射适配度
PLOVER - //multiple/leading/slash ('multiple leading slash') -
Software Fault Patterns SFP16 Path Traversal -
关键信息

CWE ID: CWE-50

抽象级别: Variant

结构: Simple

状态: Incomplete

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