Published:2014/06/25  Last Updated:2014/06/25

JVN#36259412
Web Kyukincho vulnerable to cross-site request forgery

Overview

Web Kyukincho provided by Intercom, Inc. contains a cross-site request forgery vulnerability.

Products Affected

  • Web Kyukincho V3 versions prior to 3.0.030
According to the developer, Web Kyukincho Cloud is not affected by this vulnerability.

Description

Web Kyukincho provided by Intercom, Inc. is a software that digitizes and distributes a pay statement and others. Web Kyukincho contains a cross-site request forgery vulnerability.

Impact

If a user views a malicious page while logged in, unintended operations may be conducted.

Solution

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

According to the developer, Web Kyukincho Cloud is not affected by this vulnerability.

Vendor Status

Vendor Status Last Update Vendor Notes
Intercom, Inc. Vulnerable 2014/06/25 Intercom, Inc. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.06.25 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:4.0

Credit

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2014-3881
JVN iPedia JVNDB-2014-000064