JVN#93700808 Sleipnir RSS bar vulnerable in handling RSS data in an inappropriate security zone

Overview

Sleipnir is a tabbed web browser developed in Japan by Fenrir & Co. Sleipnir RSS bar contains a vulnerability that RSS data is handled in an inappropriate security zone (My Computer zone).

Products Affected

Sleipnir 2.49 and earlier
Portable Sleipnir 2.45 and earlier
RSS bar for Sleipnir 1.28 Release3 and earlier

Description

Impact

An arbitrary script could be executed in an inappropriate security zone.

Solution

Vendor Status

Vendor	Status	Last Update	Vendor Notes
Fenrir Inc.	Vulnerable	2007/01/26

Vendor	Link
Darksky	Darksky::Website
	RSS Bar - Darksky::Website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.01.26

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

HASEGAWA, Yosuke of webappsec.jp 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-2007-000091