FreeStyle Chat server "dot dot" directory traversal
| freestyle-chat-directory-traversal (6601) |  Medium Risk |
Description:
FreeStyle Chat could allow a remote attacker to traverse directories on the Web server. A remote attacker can send a URL request containing modified "dot dot" sequences that use three dots instead of two (/.../) to traverse directories and obtain any known file outside of the root directory.
Platforms Affected:
- Faust Informatics, Freestyle Chat 4.1 SR2 and prior
Remedy:
Upgrade to the latest version of FreeStyle Chat (4.1 SR3 or later), available from the Faust Informatics Web site. See References.
Consequences:
Obtain Information
References:
- BugTraq Mailing List, Fri May 25 2001 - 08:07:32 CDT, Advisory for Freestyle Chat server at http://archives.neohapsis.com/archives/bugtraq/2001-05/0241.html.
- Faust Informatics Web site, Faust Informatics at http://shop.radiochat.net/redirfaust/en/index2.html.
- BID-2776: Faust Informatics Freestyle Chat Directory Traversal Vulnerability
- CVE-2001-0615: Directory traversal vulnerability in Faust Informatics Freestyle Chat server prior to 4.1 SR3 allows a remote attacker to read arbitrary files via a specially crafted URL which includes variations of a '..' (dot dot) attack such as '...' or '....'.
- OSVDB ID: 1841: Freestyle Chat Server Arbitrary File Access
Reported:
May 25, 2001
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