OWFS owserver denial of service

owfs-owserver-dos (30080)

Medium Risk

Description:

OWFS and OWHTTPD are vulnerable to a denial of service caused by improper handling of paths. A local attacker could send a specially-crafted path to certain owshell programs to cause the server to crash.

*CVSS:

Base Score:	2.5
Access Vector:	Local
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	1.8
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of OWFS (2.5p6 or later), available from the OWFS Web site. See References.

References:

• OWFS Web site: OWFS -- 1-wire filesystem for Linux.
• SourceForge.net: Files: owfs and owhttpd - File Release Notes and Changelog - Release Name: 2.5p6.
• BID-20953: OWFS Owserver File Path Denial of Service Vulnerability
• CVE-2006-5801: The owserver module in owfs and owhttpd 2.5p5 and earlier does not properly check the path type, which allows attackers to cause a denial of service (application crash) related to use of the path in owshell.
• SA22700: OWFS owserver Path Type Denial Of Service
• VUPEN/ADV-2006-4381: OWFS and OWHTTPD owserver Path Handling Denial Of Service Vulnerability

Platforms Affected:

• OWFS OWFS 2.5p5 and prior
• OWHTTPD OWHTTPD 2.5p5 and prior

Reported:

Nov 07, 2006

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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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