JVN#36628264 Lunascape RSS reader arbitrary script execution vulnerability

Overview

A vulnerability exists in the web browser Lunascape's RSS reader. An arbitrary script embedded in RSS feeds could be executed as the output of RSS information is not properly handled.

Products Affected

Lunascape 4.1.3 (build 2) and earlier

Description

Impact

Arbitrary JavaScript could be executed within Lunascape's RSS reader.

Solution

Vendor Status

Vendor	Status	Last Update	Vendor Notes
Lunascape Co.,Ltd.	Vulnerable	2007/05/09

Vendor	Link
Lunascape	Lunascape
	Lunascape ver 4.2.0 released (2007/04/25)

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.04.25

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

Description of each analysis measures

Credit

Daiki Fukumori of Secure Sky Technology, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports	JPCERT-WR-2007-1701
CERT Advisory
CPNI Advisory
TRnotes
CVE
JVN iPedia	JVNDB-2007-000322