Published:2010/12/01  Last Updated:2010/12/01

JVN#64764004
Clipboard contents alteration vulnerability in Sleipnir

Overview

Sleipnir contains a vulnerability in which the contents of the clipboard may be altered.

Products Affected

  • Sleipnir 2.9.6 and earlier
According to the developer, users who are using the version 2.9.6 that was released prior to November 25, 2010 at 3pm (Japan Time) with the default settings are affected by this vulnerability.

Description

Sleipnir, a web browser provided by Fenrir, contains a vulnerability in which the contents of the clipboard may be altered. As a result, when Sleipnir is being used under certain settings, the contents of the clipboard may be read or written from a website.

Impact

Contents contained in the clipboard may be leaked or altered.

Solution

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

Change the settings
For users who are already using version 2.9.6, change the settings according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Fenrir Inc. vulnerable 2010/12/01

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2010.12.01

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

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2010-3918
JVN iPedia JVNDB-2010-000057