Web Server 4 Everyone hexadecimal URL encoded forward-slash directory traversal
| webserver-4everyone-encoded-traversal (10373) |  Medium Risk |
Description:
Web Server 4 Everyone could allow a remote attacker to traverse directories on the Web server. A remote attacker could submit a specially-crafted URL request containing hexadecimal URL encoded forward-slash "dot dot" sequences (in the form of %2f..%2f) to traverse directories and obtain sensitive files outside of the Web root directory.
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Web Server 4 Everyone (1.30 or later), available from the Web Server 4 Everyone Web page. See References.
References:
- iDEFENSE Security Advisory 10.15.02: DoS and Directory Traversal Vulnerabilities in WebServer 4 Everyone.
- BID-5968: RadioBird Software WebServer 4 All Directory Traversal Vulnerability
- CVE-2002-1213: Directory traversal vulnerability in RadioBird Software WebServer 4 Everyone 1.23 and 1.27, and other versions before 1.30, allows remote attackers to read arbitrary files via an HTTP request with .. (dot-dot) sequences containing URL-encoded forward slash (%2F) characters.
Platforms Affected:
- RadioBird Software Web Server 4 Everyone 1.23
- RadioBird Software Web Server 4 Everyone 1.27
Reported:
Oct 15, 2002
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