XennoBB profile.php directory traversal

xennobb-profile-directory-traversal (28337)

Medium Risk

Description:

XennoBB could allow a remote attacker to traverse directories on the Web server. A remote attacker could send a specially-crafted POST request containing "dot dot" sequences (/../) to the profile.php script using the 'avatar_gallery' parameter to traverse directories and view arbitrary files on the Web server.

*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 XennoBB (2.2.2 or later), available from the XennoBB Web site. See References.

References:

• BugTraq Mailing List, Wed Aug 09 2006 - 10:53:19 CDT : XennoBB <= "avatar gallery" Directory Transversal.
• XennoBB Web site: XennoBB bulletin board-free PHP forum.
• BID-19446: XennoBB Profile.PHP Directory Traversal Vulnerability
• CVE-2006-4161: Directory traversal vulnerability in the avatar_gallery action in profile.php in XennoBB 2.1.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the category parameter.
• SA21483: XennoBB "category" Parameter Directory Traversal Weakness

Platforms Affected:

• XennoCMS XennoBB 2.1.0 and prior

Reported:

Aug 09, 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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