Technical Description

Multiple vulnerabilities have been identified in Easy File Sharing Web Server, which could be exploited by remote attackers to cause a denial of service or execute arbitrary commands and scripting code.

The first issue is due to a format string error in the logging functionality that does not properly handle specially crafted HTTP requests, which could be exploited by remote attackers to crash or compromise a vulnerable server.

The second flaw is due to input validation errors in the "upload.ghp" and "createfolder.ghp" scripts that do not validate the "upload_title" and "folder_des" parameters (i.e. the "Description" field), which could be exploited by attackers to cause malicious scripting code to be executed by the user's browser in the security context of an affected Web site.

Affected Products

Easy File Sharing Web Server version 3.2 and prior

Solution

VUPEN Security is not aware of any vendor-supplied patch.

References

http://www.vupen.com/english/advisories/2006/0912
http://www.frsirt.com/english/reference/7085

Credits

Vulnerabilities reported by Revnic Vasile

ChangeLog

2006-03-10 : Initial release

Vulnerability Management

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