JVN#08237857 Multiple JustSystems products vulnerable to buffer overflow

Overview

Multiple JustSystems products are vulnerable to buffer overflow.

Products Affected

Multiple products are affected by this vulnerability.
For details, see the information provided by JustSystems.

Description

Multiple JustSystems products contain a vulnerability which allows a remote attacker to cause buffer overflow when a user opens or views a specially crafted .jtd file.

Impact

If a user opens a specially crafted .jtd file or views a web page containing a specially crafted .jtd file, arbitrary code can be executed with the privilege of the user.

Solution

Vendor Status

Vendor	Status	Last Update	Vendor Notes
JustSystems Corporation	Vulnerable	2008/01/07

References

IPA
Security Alert for Vulnerability in Multiple JustSystems Products

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.01.07

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

Yuji Ukai of Fourteenforty Research Institute, Inc. 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-2008-000001

Update History

2008/05/21: JVN English site opened and the first English advisory of this issue was published.
2008/07/17: Information under the section "References" was added.