Published:2007/10/12  Last Updated:2008/05/21

JVN#63304072
MouseoverDictionary vulnerable to arbitrary script execution

Overview

MouseoverDictionary, an add-on for Mozilla Firefox, contains a vulnerability that allows an attacker to execute an arbitrary script.

Products Affected

  • Version 0.6.1 and earlier

Description

MouseoverDictionary, an add-on mouseover English-Japanese dictionary for Mozilla Firefox, contains a vulnerability that allows an attacker to execute an arbitrary script on the user's web browser as it does not handle the sidebar HTML page properly.

Impact

An attacker could execute an arbitrary script in Mozilla Firefox when the user uses MouseoverDictionary. Depending on the script, the attacker may be able to view arbitrary files on the client PC.

Solution

Update the Software
Apply the latest updates provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Ichiro Maruta Vulnerable 2007/10/12

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.10.12

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

Credit

Sen UENO of Tricorder Co.Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE
JVN iPedia JVNDB-2007-000779

Update History