Published:2007/12/11  Last Updated:2008/05/21

Multiple Cybozu products vulnerable to HTTP header injection


Multiple Cybozu products are vulnerable to HTTP header injection.

Products Affected

  • Cybozu Office 6.6 (1.3) and earlier
  • Cybozu Garoon 1.5 (4.1)
  • Cybozu Garoon Workflow 1.0 (1.1) and earlier
  • Cybozu Garoon File Management Server 1.0 (0.7) and earlier
  • Cybozu Garoon Bulletin Board Server 1.0 (0.7) and earlier
  • Cybozu Garoon Facility Reservation Server 1.0 (0.7) and earlier


Multiple Cybozu products are vulnerable to HTTP header injection because they do not properly process HTTP headers.


A remote attacker can conduct cache poisoning, send an arbitrary cookie, or execute an arbitrary script on the user's web browser.


Update the Software
For more information, refer to the vendor's website.

Vendor Status

Vendor Status Last Update Vendor Notes
Cybozu, Inc. Vulnerable 2007/12/11


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.12.11

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


Daiki Fukumori of Secure Sky Technology, Inc. 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-2007-000814

Update History