Jana Server hexadecimal URL encoded format directory traversal
| jana-server-directory-traversal (6513) |  Medium Risk |
Description:
Jana Server could allow a remote attacker to traverse directories on the Web server. A remote attacker can send a specially-crafted URL containing "dot dot" sequences (/../) or can substitute the "dot dot" sequences (/../) in the URL with their hexadecimal URL encoded format of %2E to traverse directories and obtain the contents of files readable by the Web server user.
Platforms Affected:
- Thomas Hauck, Jana Server 1.0, 1.45 and 1.46
Remedy:
Upgrade to the latest version of Jana Server (2.0 Beta 2 or later), available from the Jana Server Web site. See References.
Consequences:
Obtain Information
References:
- BugTraq Mailing List, Fri, 8 Oct 1999 09:00:11 -0600, Jana webserver exploit at http://archives.neohapsis.com/archives/bugtraq/1999-q3/1225.html.
- BugTraq Mailing List, Mon May 07 2001 - 19:31:58 CDT, Advisory for Jana server at http://archives.neohapsis.com/archives/bugtraq/2001-05/0086.html.
- BugTraq Mailing List, Tue May 02 2000 - 08:21:20 CDT, Security Bug in Jana HTTP Server at http://archives.neohapsis.com/archives/bugtraq/2000-05/0006.html.
- Jana Server Web site, Download at http://www.jana-server.ocm.de/en/index.htm?/en/download.htm.
- BID-2703: T. Hauck Jana Server Hex Encoded Directory Traversal Vulnerability
- BID-699: Jana Webserver Directory Traversal Vulnerability
- CVE-1999-1082: Directory traversal vulnerability in Jana proxy web server 1.40 allows remote attackers to ready arbitrary files via a ...... (modified dot dot) attack.
- CVE-1999-1083: Directory traversal vulnerability in Jana proxy web server 1.45 allows remote attackers to ready arbitrary files via a .. (dot dot) attack.
- CVE-2001-0557: T. Hauck Jana Webserver 1.46 and earlier allows a remote attacker to view arbitrary files via a '..' (dot dot) attack which is URL encoded (%2e%2e).
- US-CERT VU#132099: Jana Server does not adequately validate user input thereby allowing directory traversal
Reported:
May 07, 2001
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