Published:2012/07/30  Last Updated:2012/08/02

JVN#51769987
Yahoo! Toolbar (for Chrome, Safari) vulnerable to toolbar alteration

Overview

Yahoo! Toolbar (for Chrome, Safari) contains a vulnerability where the toolbar may be altered.

Products Affected

  • Yahoo! Toolbar for Chrome Ver.1.0.0.5 and earlier
  • Yahoo! Toolbar for Safari Ver.1.0.0.5 and earlier
Note that Yahoo! Toolbar for Internet Explorer and Firefox are not affected by this vulnerability.

Description

Yahoo! Toolbar (for Chrome, Safari) contains a vulnerability where the toolbar may be altered when visiting a specially crafted web page.

Impact

A remote attacker may alter the toolbar. As a result, keywords entered in the toolbar may be leaked to a third party.

Solution

Update the software
Update to the latest version according to the information provided by the developer.

According to the developer, Yahoo! Toolbar for Chrome updates automatically.

Vendor Status

Vendor Link
Yahoo! Yahoo! Toolbar

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.07.30

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 some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures

Credit

Keita Haga of keitahaga.com 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-2012-2647
JVN iPedia JVNDB-2012-000072

Update History

2012/08/02
Information was updated to reflect the versions affected more clearly.