FastStone 4in1 Browser HTTP request directory traversal

faststone-http-directory-traversal (19900)

Medium Risk

Description:

FastStone 4in1 Browser could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted HTTP request containing certain "dot dot" sequences in the form of (\..\, ../, /.../ or /../) to download and view arbitrary files on the system.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None
Temporal Score:	3
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of FastStone 4in1 Browser (1.3 or later), available from the FastStone 4in1 Browser Web site. See References.

References:

• BugTraq Mailing List, Tue Mar 29 2005 - 12:37:48 CST : directory traversal in FastStone 4in1 Browser 1.2.
• FastStone 4in1 Browser Web site: FastStone Soft - FastStone 4in1 Browser.
• BID-12937: FastStone 4in1 Browser Web Server Remote Directory Traversal Vulnerability
• CVE-2005-0950: Directory traversal vulnerability in FastStone 4in1 Browser 1.2 allows remote attackers to read arbitrary files via a (1) ... (triple dot) or (2) ..\ (dot dot backslash) in the URL.
• SA14743: FastStone 4in1 Browser Web Server Directory Traversal
• SECTRACK ID: 1013596: FastStone 4in1 Browser Discloses Files to Remote Users

Platforms Affected:

• FastStone Soft FastStone 4in1 Browser 1.2

Reported:

Mar 29, 2005

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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