Published:2011/05/26  Last Updated:2011/05/26

WalRack upload file handilng vulnerability


WalRack (Walrus File Rack CGI) contains a vulnerability in handling upload files.

Products Affected

  • WalRack ver. 1.1.8 and earlier
  • WalRack ver. 2.0.6 and earlier


WalRack is a CGI that provides an interface to upload files on the Web. WalRack contains a vulnerability in handling upload files.


An arbitrary PHP script may be executed on the server where WalRack is installed.


Update the Software
Update to the latest version according to the information provided by the vendor.

Do not use WalRack
Please discontinue use of WalRack. Refer to the information provided by the developer for more details.

Vendor Status

Vendor Status Last Update Vendor Notes
Walrus, Digit vulnerable 2011/05/26


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.05.26

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspiciouse
  • High

Description of each analysis measures


Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2011-1329
JVN iPedia JVNDB-2011-000032