Published:2012/04/05  Last Updated:2012/04/05

JVN#92830293
TOSHIBA TEC e-Studio series vulnerable to authentication bypass

Overview

Multiple e-Studio series products provided by TOSHIBA TEC CORPORATION contain an authentication bypass vulnerability.

Products Affected

A wide range of products are affected. For more information, refer to the developer's website.

Description

e-Studio is a multi-function peripheral (MFP). Multiple e-Studio series products contain a vulnerability in web-based management utility, which may result in an authentication bypass.

Impact

An attacker that can access the product may log in with administrative privileges. As a result, settings may be changed and credential information may be viewed.

Solution

Update the software
Apply the latest update for each product according to the information provided by the developer.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.04.05

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 vulnerability can be exploited without an honest user taking any action
  • High
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-2012-1239
JVN iPedia JVNDB-2012-000028