Published:2007/09/28  Last Updated:2008/05/21

Aipo session fixation vulnerability


Aipo, groupware from Aimluck, Inc., contains a session fixation vulnerability.

Products Affected

  • Aipo version V3.0.1.0 and earlier
  • Aipo ASP version V3.0.1.0 and earlier


Aipo from Aimluck, Inc. is groupware including functions such as scheduler and intra-blogging. Aipo contains a session fixation vulnerability which may allow an attacker to impersonate a user when the user logs into AIPO with the session ID sent by the attacker.


This vulnerability may allow an attacker to impersonate a user. As a result, the attacker may be able to perform operations authorized by the privilege of the user to disclose or alter information.


Update the Software
The vendor has released an updated program addressing this vulnerability. It is recommended that users apply the updated program. For more information, refer to the vendor's website.

Vendor Status

Vendor Status Last Update Vendor Notes
Aimluck,Inc. Vulnerable 2007/09/28


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.09.28

Measures Conditions Severity
Access Required Routed - can be attacked over the Internet using packets
  • High
Authentication None - anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required Simple - the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Medium
Exploit Complexity Low - little to no expertise and/or luck required to exploit (cross-site scripting)
  • High

Description of each analysis measures


Yoshihiro Ishikawa of LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
JVN iPedia JVNDB-2007-000729

Update History