HFS (HTTP File Server) username spoofing

hfs-username-spoofing (39877)

Low Risk

Description:

HFS (HTTP File Server) could allow a remote attacker to spoof usernames. By sending a specially-crafted URL request containing a different username, a remote authenticated attacker could exploit this vulnerability to masquerade as a different user when viewing log files.

*CVSS:

Base Score:	4
Access Vector:	Network
Access Complexity:	Low
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	3.5
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Other

Remedy:

Upgrade to the latest version of HFS (HTTP File Server) (2.2c or later), available from the HFS ~ Http File Server Web page. See References.

References:

• BugTraq Mailing List, Fri Dec 21 2007 - 17:15:55 CST : Syhunt: HFS (HTTP File Server) Username Spoofing and Log Forging/Injection Vulnerability.
• HFS ~ Http File Server Web page: HFS ~ Http File Server.
• BID-27423: HFS HTTP File Server Multiple Security Vulnerabilities
• CVE-2008-0407: HTTP File Server (HFS) before 2.2c tags HTTP request log entries with the username sent during HTTP Basic Authentication, regardless of whether authentication succeeded, which might make it more difficult for an administrator to determine who made a remote request.
• SA28631: HTTP File Server Multiple Vulnerabilities

Platforms Affected:

• HFS HFS (HTTP File Server) 1.5g - 2.3 Beta 174

Reported:

Jan 23, 2008

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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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