Published:2013/11/07  Last Updated:2013/11/07

JVN#12513975
TOWN (modified version) vulnerable to cross-site scripting

Overview

TOWN (modified version) contains a cross-site scripting vulnerability.

Products Affected

  • TOWN (modified version) 5_9_3 and earlier

Description

TOWN (modified version) provided by Tattyan's HP contains a cross-site scripting vulnerability.

Impact

An arbitrary script may be executed on the user's web browser.

Solution

Apply an update
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
Tattyan's HP About a vulnerability of TOWN (CGI game)
TOWN (modified version) and others

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2013.11.07

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 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
  • Mid
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

Credit

Yu Yagihashi of Keiji Takeda Lab, Keio University reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2013-4716
JVN iPedia JVNDB-2013-000101